HomeDriveline and Axles > Service KitsLuk GDK320C Axle Differential Bearing and Seal Kit - Rear
Part #: GDK320C

Luk GDK320C Axle Differential Bearing and Seal Kit - Rear

Rear
⚙️ 53 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$167.96Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac, Astro, Blazer, Bravada, Camaro, Firebird, Hombre, Jimmy, S10, Safari, and Sonoma
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

OE-Quality Differential Bearing Kit

The LuK GDK320C differential bearing kit is built for rear axle service on select GM and Isuzu applications with 7.5"/7.6" rear differentials. It includes the OE-quality bearings needed for a professional transmission or driveline repair, making it a direct solution for worn or damaged differential bearings.

Compatible With 1999-2005 Chevrolet Astro, Rear; 1999-2005 Chevrolet Blazer, Rear; 1999-2005 GMC Jimmy, Rear; 1999-2005 GMC Safari, Rear; 1999-2004 Chevrolet S10, Rear; 1999-2004 GMC Sonoma, Rear; 1999-2002 Chevrolet Camaro, Rear; 1999-2002 Pontiac Firebird, Rear; 1999-2001 Oldsmobile Bravada, Rear; and 1999-2000 Isuzu Hombre, Rear.

  • OE-quality differential bearings selected for the specific transmission application
  • Rear axle service kit for 7.5"/7.6" differential setups
  • Supports professional repair of worn differential bearing assemblies
  • Cross-references SKF SDK320-C and Timken DRK320C for the same application
  • Part number GDK320C for ordering and catalog lookup

Detailed Application Coverage

Use the LuK GDK320C when servicing rear differential bearing wear in Chevrolet Astro, Blazer, S10, Camaro, GMC Jimmy, Safari, Sonoma, Pontiac Firebird, Oldsmobile Bravada, and Isuzu Hombre models listed above. This kit is focused on restoring proper bearing function in the differential assembly, helping address noise, rough operation, and bearing-related drivetrain wear.

Common Repair Reasons

  • Rear differential bearing noise
  • Excessive bearing play or looseness
  • Wear found during axle or transmission teardown
  • Rough or inconsistent differential operation
  • Service replacement for damaged OE bearings

Installation Notes

Confirm the rear axle is 7.5" or 7.6" before ordering. Match the vehicle year, make, model, and rear position exactly to the listed applications, and inspect related differential components during service to verify the repair scope.

Quality Assurance

LuK selects OE-quality components for each specific transmission application, and the GDK320C is assembled as a professional-grade repair kit for differential service.

This part fits 53 vehicles. Search below:

YearMakeModelPositionNotes
2005ChevroletAstroRear7.5"/7.6"
2005ChevroletBlazerRear7.5"/7.6"
2005GMCJimmyRear7.5"/7.6"
2005GMCSafariRear7.5"/7.6"
2004ChevroletAstroRear7.5"/7.6"
2004ChevroletBlazerRear7.5"/7.6"
2004ChevroletS10Rear7.5"/7.6"
2004GMCJimmyRear7.5"/7.6"
2004GMCSafariRear7.5"/7.6"
2004GMCSonomaRear7.5"/7.6"
2003ChevroletAstroRear7.5"/7.6"
2003ChevroletBlazerRear7.5"/7.6"
2003ChevroletS10Rear7.5"/7.6"
2003GMCJimmyRear7.5"/7.6"
2003GMCSafariRear7.5"/7.6"
2003GMCSonomaRear7.5"/7.6"
2002ChevroletAstroRear7.5"/7.6"
2002ChevroletBlazerRear7.5"/7.6"
2002ChevroletCamaroRear7.5"/7.6"
2002ChevroletS10Rear7.5"/7.6"
2002GMCJimmyRear7.5"/7.6"
2002GMCSafariRear7.5"/7.6"
2002GMCSonomaRear7.5"/7.6"
2002PontiacFirebirdRear7.5"/7.6"
2001ChevroletAstroRear7.5"/7.6"
2001ChevroletBlazerRear7.5"/7.6"
2001ChevroletCamaroRear7.5"/7.6"
2001ChevroletS10Rear7.5"/7.6"
2001GMCJimmyRear7.5"/7.6"
2001GMCSafariRear7.5"/7.6"
2001GMCSonomaRear7.5"/7.6"
2001OldsmobileBravadaRear7.5"/7.6"
2001PontiacFirebirdRear7.5"/7.6"
2000ChevroletAstroRear7.5"/7.6"
2000ChevroletBlazerRear7.5"/7.6"
2000ChevroletCamaroRear7.5"/7.6"
2000ChevroletS10Rear7.5"/7.6"
2000GMCJimmyRear7.5"/7.6"
2000GMCSafariRear7.5"/7.6"
2000GMCSonomaRear7.5"/7.6"
2000IsuzuHombreRear7.5"/7.6"
2000OldsmobileBravadaRear7.5"/7.6"
2000PontiacFirebirdRear7.5"/7.6"
1999ChevroletAstroRear7.5"/7.6"
1999ChevroletBlazerRear7.5"/7.6"
1999ChevroletCamaroRear7.5"/7.6"
1999ChevroletS10Rear7.5"/7.6"
1999GMCJimmyRear7.5"/7.6"
1999GMCSafariRear7.5"/7.6"
1999GMCSonomaRear7.5"/7.6"
1999IsuzuHombreRear7.5"/7.6"
1999OldsmobileBravadaRear7.5"/7.6"
1999PontiacFirebirdRear7.5"/7.6"

* 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:

4620065100DRK320CSDK320-C

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