Luk 04-121 Clutch Kit

Name: Luk 04-121 Clutch Kit
Brand: Luk
SKU: BBZH-04-121
Price: 141.13 USD
Availability: InStock

⚙️ 91 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Chevrolet and GMC, C1500, C2500, K1500, K2500, P30, and P3500

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Overview of Luk Transmission Clutch Kit 04-121

The Luk Transmission Clutch Kit 04-121 is designed for reliable clutch performance in Chevrolet and GMC trucks. This kit includes all necessary components to restore clutch function in models such as the Chevrolet C1500, C2500, and GMC K1500, K2500, P30, and P3500.

Push type diaphragm pressure plate for consistent clutch engagement
Clutch disc diameter of 11-1/16 inches with 10 spline count
Clutch diameter measures 13-9/16 inches for proper fitment
Input shaft diameter of 1-1/8 inches compatible with specified models
Includes cover assembly, clutch disc, release bearing, and all necessary pilot components
Four clutch disc springs for balanced pressure and smooth operation

Detailed Product Description

The Luk 04-121 Transmission Clutch Kit is engineered to meet the specifications required for Chevrolet and GMC truck models including the C1500, C2500, K1500, K2500, P30, and P3500. Featuring a push type diaphragm pressure plate, this kit ensures consistent and reliable clutch engagement. The clutch disc diameter of 11-1/16 inches with 10 splines matches the input shaft diameter of 1-1/8 inches, providing precise fitment and smooth power transfer. The overall clutch diameter of 13-9/16 inches and clutch plate facing outer diameter of 11 inches are designed to maintain proper contact and durability under demanding driving conditions. The kit includes a cover assembly, clutch disc, release bearing, and all necessary pilot components, making it a comprehensive solution for clutch replacement or repair.

Applications and Problem Solving

This Luk Transmission Clutch Kit 04-121 is compatible with the following vehicles:

Chevrolet C1500 and C2500
GMC K1500 and K2500
GMC P30 and P3500

It addresses common clutch-related issues such as:

Slipping clutch causing loss of power transmission
Difficulty shifting gears due to worn clutch components
Clutch chatter or vibration during engagement
Premature wear of clutch disc springs
Failure of release bearing affecting clutch disengagement

Installation Notes and Tips

When installing the Luk 04-121 clutch kit, ensure the following for optimal performance:

Verify compatibility with the vehicle make and model before installation
Inspect the flywheel surface for wear or damage and resurface if necessary
Use proper alignment tools to center the clutch disc during installation
Replace the pilot bearing if worn or damaged to prevent input shaft misalignment
Torque all fasteners to manufacturer specifications to avoid premature failure

Quality Assurance and Warranty

Luk manufactures this clutch kit to meet OEM standards, ensuring durability and reliable operation. The kit components undergo rigorous quality control to maintain consistent performance. Warranty coverage details vary by distributor but typically include protection against defects in materials and workmanship.

Brand	Luk
Part Number	04-121
Clutch Diameter	13-9/16"
Clutch Disc Diameter	11-1/16"
Clutch Disc Spline Quantity	10
Clutch Plate Facing Outer Diameter	11"
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

This part fits 91 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
1995	Chevrolet	Blazer	4.3L	V6	N/A	Refer to LB179 Regarding correct Release Bearing/Fork attachment.
1995	Chevrolet	C1500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	Chevrolet	C1500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	Chevrolet	C2500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	Chevrolet	C2500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	Chevrolet	K1500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	Chevrolet	K1500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	Chevrolet	K2500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	Chevrolet	K2500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	Chevrolet	P30	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	GMC	C1500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	GMC	C1500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	GMC	C2500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	GMC	C2500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	GMC	K1500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	GMC	K1500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	GMC	K2500	5.0L	V8	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1995	GMC	K2500	4.3L	V6	N/A	Refer to LB179 for correct release bearing/fork attachment and LB135 for squeaking elimination.
1995	GMC	P3500	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1994	Chevrolet	C1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	Chevrolet	C1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	Chevrolet	C2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	Chevrolet	C2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	Chevrolet	K1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	Chevrolet	K1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	Chevrolet	K2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	Chevrolet	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	Chevrolet	P30	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1994	GMC	C1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	GMC	C1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	GMC	C2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	GMC	C2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	GMC	K1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	GMC	K1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	GMC	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1994	GMC	K2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1994	GMC	P3500	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1993	Chevrolet	C1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	Chevrolet	C1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	Chevrolet	C2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	Chevrolet	C2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	Chevrolet	K1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	Chevrolet	K1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	Chevrolet	K2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	Chevrolet	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	Chevrolet	P30	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1993	GMC	C1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	GMC	C1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	GMC	C2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	GMC	C2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	GMC	K1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	GMC	K1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	GMC	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1993	GMC	K2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1993	GMC	P3500	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1992	Chevrolet	C1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	Chevrolet	C1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	Chevrolet	C2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	Chevrolet	C2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	Chevrolet	K1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	Chevrolet	K1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	Chevrolet	K2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	Chevrolet	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	Chevrolet	P30	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1992	GMC	C1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	GMC	C1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	GMC	C2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	GMC	C2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	GMC	K1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	GMC	K1500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	GMC	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment and LB177 for hard pedal/noise.
1992	GMC	K2500	4.3L	V6	N/A	Refer to LB179, LB177, and LB135 for correct release bearing/fork attachment, hard pedal/noise, and squeaking elimination.
1992	GMC	P3500	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1991	Chevrolet	C1500	4.3L	V6	N/A	From 02/01/1991 refer to LB179 for correct release bearing/fork attachment, LB177 for hard pedal/noise, and LB135 to eliminate squeaking.
1991	Chevrolet	C1500	5.0L	V8	N/A	From 02/01/1991; Refer to LB179 regarding correct release bearing/fork attachment.; Refer to LB177 regarding hard pedal/noise.
1991	Chevrolet	C2500	4.3L	V6	N/A	From 02/01/1991 refer to LB179 for correct release bearing/fork attachment, LB177 for hard pedal/noise, and LB135 to eliminate squeaking.
1991	Chevrolet	C2500	5.0L	V8	N/A	From 02/01/1991; Refer to LB179 regarding correct release bearing/fork attachment.; Refer to LB177 regarding hard pedal/noise.
1991	Chevrolet	K1500	4.3L	V6	N/A	From 02/01/1991; Refer to LB179 regarding correct release bearing/fork attachment.; To eliminate squeaking, refer to LB135.
1991	Chevrolet	K1500	5.0L	V8	N/A	From 02/01/1991; Refer to LB179 regarding correct release bearing/fork attachment.; Refer to LB177 regarding hard pedal/noise.
1991	Chevrolet	K2500	4.3L	V6	N/A	From 02/01/1991 refer to LB179 for correct release bearing/fork attachment, LB177 for hard pedal/noise, and LB135 to eliminate squeaking.
1991	Chevrolet	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment starting on 02/01/1991.
1991	Chevrolet	P30	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.
1991	GMC	C1500	5.0L	V8	N/A	From 02/01/1991; Refer to LB179 regarding correct release bearing/fork attachment.; Refer to LB177 regarding hard pedal/noise.
1991	GMC	C1500	4.3L	V6	N/A	From 02/01/1991; Refer to LB179 regarding correct release bearing/fork attachment.; To eliminate squeaking, refer to LB135.
1991	GMC	C2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment starting on 02/01/1991.
1991	GMC	C2500	4.3L	V6	N/A	From 02/01/1991; Refer to LB179 regarding correct release bearing/fork attachment.; To eliminate squeaking, refer to LB135.
1991	GMC	K1500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment starting on 02/01/1991.
1991	GMC	K1500	4.3L	V6	N/A	From 02/01/1991 refer to LB179 for correct release bearing/fork attachment, LB177 for hard pedal/noise, and LB135 to eliminate squeaking.
1991	GMC	K2500	5.0L	V8	N/A	Refer to LB179 for correct release bearing/fork attachment starting on 02/01/1991.
1991	GMC	K2500	4.3L	V6	N/A	From 02/01/1991 refer to LB179 for correct release bearing/fork attachment, LB177 for hard pedal/noise, and LB135 to eliminate squeaking.
1991	GMC	P3500	4.3L	V6	N/A	Refer to LB179 for appropriate release bearing/fork attachment for this Clutch Kit.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

04-081K04-121061-6059110412112375175628302977090113K70375-01NU1950

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.