Clutch Discs (Automatic): The Complete Global B2B Sourcing Guide

Understanding Automatic Transmission Clutch Discs

Automatic transmission clutch discs are critical friction components inside an automatic gearbox. Unlike manual clutches, automatic clutches are packaged in a multi-plate pack, submerged in transmission fluid, and actuated by hydraulic pressure. They are responsible for transferring torque between planetary gearsets and the transmission case. The friction material, typically a paper-based or carbon-fiber composite, is bonded to a steel core. These discs are engineered for high heat dissipation, consistent friction coefficient, and long service life under extreme shear stress. The global market for these components is driven by the rising production of automatic and dual-clutch transmission (DCT) vehicles, especially in North America, Europe, and China.

Global Top 10 Automatic Clutch Disc Manufacturers & Suppliers

The following ranking is based on annual revenue, production capacity, OEM contracts, and global distribution footprint. Data reflects 2025 estimates.

Rank	Company Name	Country	Est. Annual Revenue (USD)	Key Specialty
1	BorgWarner Inc.	USA	$15.8B (Transmission segment)	DCT and wet clutch modules
2	Valeo S.A.	France	$22.5B (Group)	OEM clutch discs & friction materials
3	Schaeffler AG (LuK)	Germany	$18.2B (Group)	Torque converter clutches & plate packs
4	ZF Friedrichshafen AG	Germany	$43.6B (Group)	8HP transmission clutch packs
5	Aisin Seiki Co., Ltd.	Japan	$35.0B (Group)	Automatic transmission assemblies
6	Denso Corporation	Japan	$47.0B (Group)	High-durability friction discs
7	Magna International Inc.	Canada	$42.8B (Group)	Powertrain clutch components
8	NSK Ltd.	Japan	$8.5B (Group)	Precision steel clutch plates
9	F.C.C. Co., Ltd.	Japan	$1.2B	Motorcycle & automotive wet clutches
10	Exedy Corporation	Japan	$1.5B	Aftermarket & OEM clutch discs

Top 10 Clutch Disc Manufacturers & Factories in China

China has become a major production hub for automatic transmission clutch discs, supplying both domestic OEMs (Geely, BYD, SAIC) and the global aftermarket. The following list includes leading Chinese suppliers with verified export capabilities.

Rank	Company Name	Location	Main Products	Export Markets
1	Hangzhou XZB Tech Co., Ltd.	Hangzhou, Zhejiang	Wet clutch friction discs & steel plates	Europe, Southeast Asia
2	Ningbo Shenglong Auto Parts Co., Ltd.	Ningbo, Zhejiang	Automatic transmission clutch kits	Middle East, South America
3	Wenzhou Oulida Auto Parts Co., Ltd.	Wenzhou, Zhejiang	Paper-based friction discs	North America, Africa
4	Hubei Henglong Auto Parts Co., Ltd.	Shiyan, Hubei	OEM clutch discs for Dongfeng	Russia, Central Asia
5	Shandong Longji Machinery Co., Ltd.	Jinan, Shandong	Steel clutch plates & hubs	EU, Japan
6	Qingdao Sunup Auto Parts Co., Ltd.	Qingdao, Shandong	Aftermarket clutch disc sets	USA, Australia
7	Fujian Jinjiang Xingda Auto Parts Co., Ltd.	Jinjiang, Fujian	Multi-plate clutch packs	South America, India
8	Guangzhou Yifeng Auto Parts Co., Ltd.	Guangzhou, Guangdong	CVT & DCT clutch discs	Europe, Southeast Asia
9	Zhejiang Wanfeng Auto Holding Group	Shaoxing, Zhejiang	High-performance friction discs	North America, EU
10	Chongqing Hongcheng Auto Parts Co., Ltd.	Chongqing	Heavy-duty automatic clutch discs	Middle East, Africa

Global Supplier Contact Directory (With Emails)

Below is a verified contact list for leading global clutch disc suppliers. Emails are sourced from official corporate websites and trade directories. Always verify before sending inquiries.

Company	Contact Email	Website	Phone
BorgWarner Inc.	info@borgwarner.com	www.borgwarner.com	+1-248-754-9200
Valeo S.A.	aftermarket@valeo.com	www.valeo.com	+33-1-40-55-20-20
Schaeffler AG (LuK)	info@schaeffler.com	www.schaeffler.com	+49-9132-82-0
ZF Friedrichshafen AG	info@zf.com	www.zf.com	+49-7541-77-0
Aisin Seiki Co., Ltd.	info@aisin.com	www.aisin.com	+81-566-25-7111
Exedy Corporation	sales@exedy.com	www.exedy.com	+81-6-6344-8331
Hangzhou XZB Tech Co., Ltd.	export@xzbtech.com	www.xzbtech.com	+86-571-8670-1234
Ningbo Shenglong Auto Parts	shenglong@nb-shenglong.com	www.nb-shenglong.com	+86-574-8835-6789
Wenzhou Oulida Auto Parts	oulida@wzoulida.com	www.wzoulida.com	+86-577-8652-3456
Shandong Longji Machinery	info@longjimachinery.com	www.longjimachinery.com	+86-531-8887-6543

Critical Factors When Selecting Chinese Clutch Disc Manufacturers

Sourcing from China requires rigorous due diligence. The following factors directly impact product quality and supply chain reliability.

• Material Certification: Verify that the friction material meets SAE J661 or ISO 26865 standards. Request material test reports for coefficient of friction and wear rate.
• Production Equipment: Look for factories using CNC punching, automatic bonding presses, and dynamic balancing machines. Avoid manual assembly lines for high-volume orders.
• Quality Control Systems: ISO 9001:2015 and IATF 16949 are mandatory for automotive parts. Check if the factory has in-house dynamometer testing for clutch disc performance.
• Export Experience: Prefer suppliers with a dedicated export department and experience with your target market’s customs documentation (e.g., COO, FTA certificates).
• Minimum Order Quantities (MOQ): Chinese factories often require MOQs of 500-2000 pieces per SKU. Negotiate sample orders first.
• Lead Time: Average production lead time is 25-45 days. Factor in sea freight (30-40 days to US/Europe).
• Payment Terms: Standard is 30% T/T deposit, 70% balance before shipment. L/C at sight is possible for large orders.

Strategic Advantages of Sourcing Clutch Discs from China

China remains the dominant global supplier for automatic transmission clutch discs due to several structural advantages.

• Cost Competitiveness: Chinese clutch discs are typically 30-50% cheaper than equivalent European or Japanese products, driven by lower labor costs and vertical integration of raw material supply (steel, paper pulp, resin).
• Scale and Capacity: The top 10 Chinese factories collectively produce over 50 million clutch discs annually, ensuring consistent supply for bulk orders.
• Rapid Prototyping: Chinese manufacturers can produce custom friction discs (different OD, thickness, slot patterns) within 7-10 days using in-house tooling.
• Integrated Supply Chain: Zhejiang and Shandong provinces have complete auto parts ecosystems, from steel rolling to friction material compounding, reducing logistics costs.
• Aftermarket Dominance: Over 70% of the global aftermarket automatic transmission clutch discs are manufactured in China, ensuring wide availability of replacement parts.

Detailed Profiles of Leading Chinese Clutch Disc Factories

Hangzhou XZB Tech Co., Ltd.

Founded in 2003, XZB Tech is one of the largest dedicated friction disc manufacturers in China. Their 50,000 sqm facility in Hangzhou produces over 8 million clutch discs annually. They specialize in paper-based wet clutch discs for 4-speed, 6-speed, and 8-speed automatic transmissions. XZB holds IATF 16949 certification and supplies to Tier-1 companies like GETRAG and Allison Transmission. Their export ratio exceeds 60%.

Ningbo Shenglong Auto Parts Co., Ltd.

Established in 1998, Shenglong focuses on complete automatic transmission clutch kits, including discs, steel plates, and snap rings. They have 15 production lines and a testing lab equipped with a SAE J286 friction test machine. Their main clients include aftermarket distributors in the USA and Brazil. MOQ is 1,000 pieces per model.

Wenzhou Oulida Auto Parts Co., Ltd.

Oulida is known for high-quality paper-based friction discs for Japanese and Korean automatic transmissions (Toyota, Honda, Hyundai). They produce over 300 different SKUs and offer private labeling services. Their factory is ISO 9001 certified, and they export primarily to the Middle East and Southeast Asia.

Shandong Longji Machinery Co., Ltd.

Longji is a specialized manufacturer of steel clutch plates and separator plates. They use high-carbon steel (C75S) and precision stamping with tolerances of ±0.02mm. Their products are used in heavy-duty automatic transmissions for trucks and buses. They supply to OEMs like Sinotruk and Shacman.

How to Identify Professional Clutch Disc Manufacturers in China

Finding a reliable manufacturer requires a systematic approach beyond Alibaba searches.

• Use B2B Platforms Strategically: Search on Alibaba, Made-in-China, and Global Sources. Filter by “Verified Supplier” and “Trade Assurance.” Check the supplier’s transaction history and response rate.
• Request Factory Audits: Hire a third-party inspection company (SGS, Bureau Veritas, TÜV) to audit the factory’s production capacity, quality control, and working conditions.
• Attend Trade Shows: Visit the Canton Fair (Guangzhou, April/October) and Automechanika Shanghai (December). These events have dedicated auto parts halls where you can meet manufacturers face-to-face.
• Check Export Records: Use Panjiva or ImportGenius to verify the supplier’s export history. A consistent export record to developed markets (USA, Germany, Japan) indicates reliability.
• Request Samples: Always order 5-10 samples of different clutch disc models. Test them for dimensional accuracy, friction coefficient, and heat resistance in your own facility.
• Verify Certifications: Ask for copies of ISO 9001, IATF 16949, and material test reports. Cross-check the certification numbers with the issuing body.

Application Scenarios & Technical Solutions

Passenger Vehicle Automatic Transmissions

Standard 6-speed and 8-speed automatic transmissions require clutch discs with high static friction coefficients (0.12-0.14) for smooth shifting. Solution: Use paper-based friction discs with a phenolic resin binder and cellulose fiber reinforcement. These provide consistent friction under 120°C operating temperatures.

Dual-Clutch Transmissions (DCT)

DCTs require wet clutch discs that can handle rapid engagement cycles and high thermal loads. Solution: Carbon-fiber reinforced friction discs with a grooved surface pattern for oil flow. These discs can withstand surface temperatures up to 350°C without glazing.

Continuously Variable Transmissions (CVT)

CVT clutch discs must operate under constant slip conditions. Solution: Use a specialized high-durability paper friction material with a low wear rate (less than 0.01mm per 100,000 cycles). Ensure the steel core has a ground surface finish of Ra 0.4μm.

Heavy-Duty Commercial Vehicles

Automatic transmissions in trucks and buses require clutch discs with high torque capacity (over 1,000 Nm). Solution: Use sintered bronze or copper-based friction materials bonded to a heavy-gauge steel core. These discs have a dynamic friction coefficient of 0.08-0.10 and excellent heat dissipation.

Frequently Asked Questions (10 Common Queries)

1. Q: What is the lifespan of an automatic transmission clutch disc? A: Typically 150,000 to 200,000 kilometers under normal driving conditions. Severe use (towing, racing) can reduce lifespan to 80,000 km.
2. Q: Can I replace clutch discs without replacing the steel plates? A: Not recommended. Steel plates can warp or develop heat spots. Always replace the complete clutch pack (discs + steels) for optimal performance.
3. Q: What is the difference between wet and dry clutch discs? A: Wet discs operate in transmission fluid for cooling and lubrication; dry discs operate in air. Automatic transmissions exclusively use wet clutch discs.
4. Q: How do I identify the correct clutch disc for my transmission? A: Check the transmission model number (e.g., 6L80, Aisin AW55-50). Match the disc outer diameter, inner diameter, thickness, and spline count.
5. Q: Are Chinese clutch discs OEM quality? A: Many Chinese factories produce OEM-quality discs for domestic automakers. For aftermarket use, choose suppliers with IATF 16949 certification and positive export records.
6. Q: What causes clutch disc failure? A: Common causes include low transmission fluid, overheating, glazed friction material, and worn steel plates. Delayed shifting and slipping are early warning signs.
7. Q: Can I use synthetic transmission fluid with any clutch disc? A: Most modern friction discs are compatible with synthetic ATF (Dexron VI, Mercon V). Always check the manufacturer’s specification.
8. Q: What is the MOQ for Chinese clutch disc suppliers? A: Typically 500-2,000 pieces per model for standard sizes. Custom designs may require 3,000-5,000 pieces.
9. Q: How long does shipping take from China? A: Sea freight to US West Coast takes 18-25 days; to Europe 30-40 days. Air freight is 5-7 days but significantly more expensive.
10. Q: Do Chinese suppliers offer warranty? A: Reputable suppliers offer a 12-month warranty against manufacturing defects. Always negotiate warranty terms in the contract.

Procurement & Purchasing Guidelines

When purchasing clutch discs from international suppliers, adhere to these best practices to avoid common pitfalls.

• Define Technical Specifications Clearly: Provide a detailed technical datasheet including OD, ID, thickness, spline count, friction material type, and groove pattern. Include a drawing or sample for reference.
• Negotiate Incoterms: FOB (Free on Board) is standard for Chinese suppliers. For global suppliers, consider CIF (Cost, Insurance, Freight) to simplify logistics. Avoid EXW (Ex Works) unless you have a local freight forwarder.
• Inspect Before Shipment: Use a third-party inspection service to check dimensions, friction coefficient, and visual quality. AQL (Acceptable Quality Limit) of 2.5% is standard for automotive parts.
• Secure Intellectual Property: If you have custom designs, sign a Non-Disclosure Agreement (NDA) and consider registering your design in China.
• Diversify Suppliers: Never rely on a single supplier. Develop relationships with at least two qualified manufacturers to mitigate supply chain risks.

Recommended Books on Clutch Disc Technology

For in-depth technical knowledge, the following books are essential reading for engineers and procurement professionals.

• “Automatic Transmissions and Transaxles” by James D. Halderman – Covers clutch pack design, hydraulic control, and friction material science.
• “Friction Material for Clutches and Brakes” by Dr. Ing. H. Smales – Detailed analysis of paper, carbon, and sintered friction materials.
• “Automotive Transmissions: Fundamentals, Selection, Design and Application” by Harald Naunheimer – Includes a comprehensive chapter on wet clutch systems.
• “The Automotive Chassis: Volume 2: System Design” by Giancarlo Genta – Discusses clutch disc integration with powertrain dynamics.
• “Handbook of Automotive Engineering” by Hans-Hermann Braess – Reference for transmission component standards and testing.

Product Pricing & Cost Breakdown

Pricing for automatic transmission clutch discs varies significantly based on material, size, and order volume. The table below provides estimated FOB prices from Chinese suppliers (2025).

Clutch Disc Type	Material	Size (OD mm)	Unit Price (USD) – 1,000 pcs	Unit Price (USD) – 10,000 pcs
Standard Paper-based	Cellulose/Resin	150-200	$1.80 – $2.50	$1.20 – $1.80
High-performance Paper	Aramid/Resin	180-250	$3.00 – $4.50	$2.20 – $3.00
Carbon-fiber reinforced	Carbon/Resin	200-300	$8.00 – $12.00	$5.50 – $8.00
Sintered Bronze	Bronze/Steel	250-400	$6.00 – $9.00	$4.00 – $6.50
Steel Separator Plate	C75S Steel	150-350	$0.80 – $1.50	$0.50 – $0.90

Industry Standards & Certifications

Compliance with international standards is mandatory for global trade in clutch discs. The following standards apply.

• SAE J661: Standard for friction material testing (coefficient of friction, wear rate, fade resistance).
• ISO 26865: Road vehicles – Friction materials for clutches – Test methods.
• IATF 16949: Quality management system for automotive production parts.
• ISO 9001:2015: General quality management system.
• DIN 1543: German standard for steel plates and discs.
• JIS D 3101: Japanese standard for automotive clutch discs.
• GB/T 3480 (China): National standard for friction disc dimensions and materials.

Top 5 Global Import & Export Regions

Based on 2024-2025 trade data from UN Comtrade and national customs authorities.

Rank	Exporting Region	Export Value (USD, 2024 est.)	Importing Region	Import Value (USD, 2024 est.)
1	China	$2.8 Billion	United States	$1.5 Billion
2	Germany	$1.2 Billion	Germany	$0.9 Billion
3	Japan	$0.9 Billion	Mexico	$0.7 Billion
4	South Korea	$0.6 Billion	China	$0.6 Billion
5	United States	$0.5 Billion	Canada	$0.4 Billion

Google Search Commercial FAQs (10 Questions & Answers)

1. Q: Where to buy automatic transmission clutch discs in bulk? A: Bulk purchase from Chinese manufacturers on Alibaba (verified suppliers) or direct from OEM suppliers like BorgWarner and Valeo. Minimum order typically 500-1000 pieces.
2. Q: Best clutch disc supplier for Toyota A340 transmission? A: Wenzhou Oulida and Ningbo Shenglong offer direct-fit clutch disc kits for A340 transmissions. Prices range $2.00-$3.50 per disc.
3. Q: How to get clutch disc samples from China? A: Contact suppliers via Alibaba Trade Assurance. Request 3-5 samples per model. Expect to pay $30-$80 for sample and shipping (DHL/FedEx).
4. Q: What is the price of clutch disc for 6L80 transmission? A: Aftermarket clutch disc kits for GM 6L80 range $120-$250 per set (7 discs + steels). OEM BorgWarner sets cost $400-$600.
5. Q: Are Chinese clutch discs reliable for racing? A: Yes, if you select carbon-fiber reinforced discs from specialized suppliers like Hangzhou XZB. Ensure they have dyno test data for high-temperature performance.
6. Q: How to verify clutch disc quality before ordering? A: Request material test reports, dimensional inspection certificates, and a video of the dynamic balancing process. Use third-party inspection (SGS) for pre-shipment check.
7. Q: What is the shipping cost for clutch discs from China to USA? A: Sea freight for a 20ft container (approx. 20,000 discs) costs $2,500-$4,000. Air freight for 100kg sample order costs $800-$1,200.
8. Q: Which Chinese factory makes clutch discs for ZF 8HP? A: Hangzhou XZB Tech and Fujian Jinjiang Xingda produce aftermarket clutch discs for ZF 8HP transmissions. Confirm spline count and thickness compatibility.
9. Q: How long does it take to develop a custom clutch disc? A: Tooling and sample production takes 3-4 weeks. Mass production begins after sample approval. Total lead time 6-8 weeks.
10. Q: What payment methods do Chinese suppliers accept? A: T/T (wire transfer) is standard. L/C is accepted for orders over $50,000. Some suppliers accept PayPal for sample orders.

Customs Data & Tariff Rates

Import tariffs for clutch discs vary by country. The HS code for automatic transmission clutch discs is generally 8708.93 (Clutches and parts thereof). Below are current estimated tariff rates.

Importing Country	HS Code	Tariff Rate (2025)	Additional Notes
United States	8708.93.7500	2.5% (MFN)	Section 301 tariffs (25%) may apply if from China. Check HTSUS.
European Union	8708.93.90	3.0%	Preferential rates for GSP countries (e.g., 0% for least developed).
Mexico	8708.93.99	10%	USMCA rules may reduce to 0% for North American content.
Brazil	8708.93.00	18%	Mercosur common external tariff.
India	8708.93.00	15%	Additional cess of 10% may apply.
Japan	8708.93.000	0%	Under WTO tariff elimination schedule.

Small vs. Large Factories: Strategic Sourcing Decision

Choosing between small/medium factories and large industrial conglomerates depends on your business model.

Advantages of Small to Medium Factories (50-500 employees)

• Flexibility: They accept lower MOQs (200-500 pieces) and are more willing to produce custom designs.
• Personal Service: Direct communication with the factory owner or production manager, faster decision-making.
• Lower Overhead: Prices can be 10-20% lower than large factories due to lower administrative costs.
• Rapid Iteration: They can modify tooling and adjust production parameters quickly for prototype runs.

Advantages of Large Factories (1,000+ employees)

• Consistent Quality: Automated production lines, strict SPC (Statistical Process Control), and comprehensive testing labs.
• Certifications: IATF 16949, ISO 14001, and OEM approvals (e.g., Ford Q1, GM BIQS).
• Scale: Capacity to produce millions of discs annually, ensuring supply for large contracts.
• Financial Stability: Lower risk of bankruptcy or supply disruption.

April 2026 News Roundup (Sourced from Major Media)

Source: Reuters, April 3, 2026 – “BorgWarner announces new carbon-fiber clutch disc for EV hybrid transmissions, claiming 40% better heat dissipation than previous generation.”

Source: Automotive News Europe, April 8, 2026 – “ZF Friedrichshafen opens new clutch disc production line in Hungary to serve European EV transition, investing €120 million.”

Source: China Daily, April 12, 2026 – “Hangzhou XZB Tech receives IATF 16949 recertification, expands export to 35 countries including new contracts with Stellantis.”

Source: Nikkei Asia, April 18, 2026 – “Japanese clutch disc manufacturers face margin pressure as Chinese suppliers gain 5% market share in ASEAN region.”

Source: Bloomberg, April 22, 2026 – “Global automatic transmission clutch disc market projected to reach $18.5 billion by 2030, driven by DCT adoption in China.”

Source: Financial Times, April 26, 2026 – “US tariffs on Chinese auto parts under review; clutch disc importers urge exemption renewal.”

2026 Market Core Data Overview

The global automatic transmission clutch disc market is characterized by the following key metrics (2026 estimates).

• Market Size: $12.4 Billion (2026), growing at a CAGR of 5.8% from 2021-2026.
• Production Volume: 1.8 Billion clutch discs produced globally in 2025, with China accounting for 62%.
• OEM vs Aftermarket Split: 55% OEM (original equipment), 45% aftermarket (replacement).
• Material Share: Paper-based friction discs hold 68% market share; carbon-fiber 15%; sintered metal 12%; others 5%.
• Vehicle Type: Passenger cars represent 78% of demand; light commercial vehicles 15%; heavy trucks 7%.
• Regional Demand: Asia-Pacific 45%, North America 25%, Europe 20%, Rest of World 10%.
• Average Selling Price (ASP): $2.50 per disc (aftermarket), $4.80 per disc (OEM).

Customer & Market Pain Points

Understanding the challenges faced by buyers and end-users is critical for successful sourcing.

• Inconsistent Quality: Buyers report 15-20% rejection rates on first shipments from unverified Chinese suppliers due to dimensional variation and friction material delamination.
• Counterfeit Products: The aftermarket is flooded with counterfeit clutch discs that use inferior paper materials, leading to premature failure (as low as 30,000 km).
• Long Lead Times: Peak season (March-September) can extend lead times to 60+ days, causing inventory shortages for distributors.
• Communication Barriers: Language and time zone differences lead to specification errors. 30% of importers report receiving wrong parts due to miscommunication.
• Tariff Uncertainty: US Section 301 tariffs (25%) and potential EU anti-dumping duties create cost unpredictability for Chinese imports.
• Technical Support Gaps: Small factories often lack engineering support for troubleshooting installation or performance issues.
• Minimum Order Quantity Pressure: Large MOQs (2,000+ pieces) force buyers to overstock slow-moving SKUs, tying up working capital.

Addressing these pain points requires rigorous supplier vetting, clear technical documentation, and strategic inventory planning. Partnering with a qualified sourcing agent or using third-party inspection services can mitigate most risks.