Luk 04-138 Clutch Kit
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Luk 04-138 Clutch Kit

Brand Luk 04-138
Clutch Diameter 11-5/16"
Clutch Disc Diameter 9-3/16"
Clutch Disc Spline Quantity 26
Clutch Plate Facing Outer Diameter 9-1/8"
Input Shaft Diameter 1-1/8"
Kit contents Cover Assembly, Clutch Disc, Release Bearing, all Necessary Pilots, Accessory Pack
Number of clutch disc springs 4
Pressure Plate Type Push Type Diaphragm
Fits Chevrolet and GMC · 4 vehicles

OE supplier pedigree. Built to meet original-equipment performance specifications.

Complete clutch kit. Includes the cover assembly, disc, release bearing, pilots, and accessory pack.

Push-type diaphragm. Delivers consistent clutch engagement with a 4-spring disc design.

Cross-references AMS Automotive 04-138, NGK 90117 and Sachs K1904-08 for the same application. See all 11.

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LuK Clutch Kit for S10 and Sonoma

LuK 04-138 is a transmission clutch kit built for manual-transmission service on 1994-1995 Chevrolet S10 and GMC Sonoma applications. It combines OE-style clutch components with application-specific dimensions to support proper pedal feel, smooth engagement, and reliable drivability.

  • Pressure plate type: push type diaphragm
  • Clutch disc diameter: 9-3/16 in.
  • Clutch diameter: 11-5/16 in.
  • Input shaft diameter: 1-1/8 in.
  • Clutch disc spline quantity: 26
  • Clutch plate facing outer diameter: 9-1/8 in.
  • Kit contents: cover assembly, clutch disc, release bearing, all necessary pilots, accessory pack
  • Clutch disc spring count: 4

OE-Style Design and Application Match

LuK develops performance specifications as an original-equipment supplier, and this 04-138 clutch kit reflects that application-focused approach. The included cover assembly, clutch disc, release bearing, pilots, and accessory pack are selected for the 1994-1995 Chevrolet S10 and GMC Sonoma manual transmission setup, with dimensions that align to the listed spline and diameter requirements. This part cross-references Sachs K1904-08 and Valeo 52332204 for the same application.

Common Issues This Kit Can Address

  • Worn clutch disc material causing slip during acceleration
  • Chatter or rough engagement from a fatigued pressure plate
  • Noisy or rough release operation from a worn bearing
  • Shifting concerns related to clutch disengagement problems
  • Pedal feel changes caused by aging clutch components

Installation Notes

Verify the transmission input shaft diameter, spline count, and clutch dimensions before installation. For 1994-1995 Chevrolet S10 and GMC Sonoma applications, review the listed service notes for release bearing, fork attachment, squeak, hard pedal, and bearing retainer wear concerns. Inspect the flywheel and related clutch release components during service, and confirm all mating surfaces are clean before assembly. LuK 04-138 is a direct-fit service part for the specified vehicle applications when the transmission configuration matches the listed dimensions.

Quality Assurance

LuK is an OE supplier with extensive in-house manufacturing content, and its RepSet clutch components are built around vehicle-specific performance specifications. That engineering background supports consistent fitment and dependable service for manual transmission clutch replacement on the listed Chevrolet S10 and GMC Sonoma applications.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1995ChevroletS102.2LL4N/ARefer to LB179 for correct release bearing/fork attachment, LB135 for eliminating squeaking, and LB129 for Bearing Retainer Wear Problems.
1995GMCSonoma2.2LL4N/ARefer to LB179 for correct release bearing/fork attachment, LB135 for eliminating squeaking, and LB129 for Bearing Retainer Wear Problems.
1994ChevroletS102.2LL4N/ARefer to LB179 for correct release bearing/fork attachment, LB177 for hard pedal/noise, LB135 to eliminate squeaking, and LB129 for Bearing Retainer Wear Problems.
1994GMCSonoma2.2LL4N/ARefer to LB179 for correct release bearing/fork attachment, LB177 for hard pedal/noise, LB135 to eliminate squeaking, and LB129 for Bearing Retainer Wear Problems.
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 04-138NGK — 90117Sachs — K1904-08Valeo — 5233220404-138K061-6066381209110413858934706232141770NU1904-2