HomeDriveline and Axles > BearingsTimken 388A Differential Bearing - Rear or Rear Inner
Part #: 388A

Timken 388A Differential Bearing - Rear or Rear Inner

Rear Inner
⚙️ 66 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Blazer, C20 Pickup, C20 Suburban, C30 Pickup, G30 Van, K20 Pickup, K20 Suburban, K30 Pickup, P20 Van, P30 Van, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, G25/G2500 Van, K25/K2500 Pickup, K25/K2500 Suburban, K35/K3500 Pickup, P25/P2500 Van, P35/P3500 Van, P20 Series, 2500 Series, and Two-Ten Series
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Reliable Differential Bearing for Chevrolet Blazer and Suburban Models

The Timken 388A differential bearing is engineered to provide dependable performance for Chevrolet Blazer, C20 Suburban, and K20 Suburban vehicles. Designed to meet OEM specifications, this bearing supports smooth driveline operation and helps maintain vehicle stability under various driving conditions.

Key Features of Timken 388A Differential Bearing

  • Compatible with Chevrolet Blazer, C20 Suburban, and K20 Suburban models
  • Precision-engineered for differential applications
  • Durable construction to withstand driveline stresses
  • Meets or exceeds OEM quality standards
  • Part number 388A for accurate identification and fitment

Detailed Description of Timken 388A Differential Bearing

The Timken 388A differential bearing is specifically designed for use in the driveline and axle assemblies of Chevrolet Blazer and Suburban trucks, including the C20 and K20 models. This bearing supports the differential gears by reducing friction and wear, ensuring consistent torque transfer and vehicle control. Manufactured with high-grade materials and precision tolerances, the 388A bearing helps maintain the integrity of the differential under heavy loads and varying road conditions.

Common Applications and Problem Solving

  • Reduces noise and vibration caused by worn differential bearings
  • Prevents premature wear of differential gears and components
  • Improves driveline efficiency and smoothness
  • Addresses issues related to axle shaft misalignment
  • Supports proper differential function in Chevrolet Blazer and Suburban models

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Blazer, C20 Suburban, and K20 Suburban before installation
  • Inspect differential housing and gears for wear or damage prior to bearing replacement
  • Use proper tools to avoid bearing damage during installation
  • Follow manufacturer torque specifications for axle and differential components
  • Consider professional installation if unfamiliar with differential assembly procedures

Quality Assurance and Warranty Information

Timken 388A differential bearings are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in materials and workmanship. This provides assurance that the bearing will perform as intended when installed in compatible Chevrolet Blazer and Suburban vehicles.

This part fits 66 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1972ChevroletBlazerRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1972ChevroletC20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1972ChevroletC20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1972ChevroletC20 SuburbanRearDifferential Race fits H052 and H072 Axle
1972ChevroletK20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1972ChevroletK20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1972ChevroletK20 Suburban4 X 4Rear InnerFitment: H052 Axle - Differential Pinion Seal
1972ChevroletK20 Suburban4WDRear InnerFitment: H052 Axle - Differential Pinion Seal
1972ChevroletK20 SuburbanRearDifferential Race fits H052 and H072 Axle
1972GMCG25/G2500 VanRearDifferential Race fits H052 and H072 Axle
1972GMCG25/G2500 Van4 X 2Rear Inner
1972GMCG25/G2500 VanRWDRear Inner
1971ChevroletBlazerRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1971ChevroletC20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1971ChevroletC20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1971ChevroletC20 SuburbanRearDifferential Race fits H052 and H072 Axle
1971ChevroletK20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1971ChevroletK20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1971ChevroletK20 Suburban4 X 4Rear InnerFitment: H052 Axle - Differential Pinion Seal
1971ChevroletK20 Suburban4WDRear InnerFitment: H052 Axle - Differential Pinion Seal
1971ChevroletK20 SuburbanRearDifferential Race fits H052 and H072 Axle
1971GMCG25/G2500 VanRearDifferential Race fits H052 and H072 Axle
1971GMCG25/G2500 Van4 X 2Rear Inner
1971GMCG25/G2500 VanRWDRear Inner
1970ChevroletBlazerRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1970ChevroletC20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1970ChevroletC20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1970ChevroletC20 SuburbanRearDifferential Race fits H052 and H072 Axle
1970ChevroletK20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1970ChevroletK20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1970ChevroletK20 Suburban4 X 4Rear InnerFitment: H052 Axle - Differential Pinion Seal
1970ChevroletK20 Suburban4WDRear InnerFitment: H052 Axle - Differential Pinion Seal
1970ChevroletK20 SuburbanRearDifferential Race fits H052 and H072 Axle
1970GMCG25/G2500 Van4 X 2Rear InnerH031, H035 Axle - Wheel Seal
1970GMCG25/G2500 VanRWDRear InnerH031, H035 Axle - Wheel Seal
1970GMCG25/G2500 VanRearDifferential Race fits H052 and H072 Axle
1969ChevroletBlazerRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1969ChevroletC20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1969ChevroletC20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1969ChevroletC20 SuburbanRearDifferential Race fits H052 and H072 Axle
1969ChevroletK20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1969ChevroletK20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1969ChevroletK20 Suburban4 X 4Rear InnerFitment: H052 Axle - Differential Pinion Seal
1969ChevroletK20 Suburban4WDRear InnerFitment: H052 Axle - Differential Pinion Seal
1969ChevroletK20 SuburbanRearDifferential Race fits H052 and H072 Axle
1969GMCG25/G2500 Van4 X 2Rear InnerH031, H035 Axle - Wheel Seal
1969GMCG25/G2500 VanRWDRear InnerH031, H035 Axle - Wheel Seal
1969GMCG25/G2500 VanRearDifferential Race fits H052 and H072 Axle
1968ChevroletC20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1968ChevroletC20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1968ChevroletC20 SuburbanRearDifferential Race fits H052 and H072 Axle
1968ChevroletK20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1968ChevroletK20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1968ChevroletK20 Suburban4 X 4Rear InnerFitment: H052 Axle - Differential Pinion Seal
1968ChevroletK20 Suburban4WDRear InnerFitment: H052 Axle - Differential Pinion Seal
1968ChevroletK20 SuburbanRearDifferential Race fits H052 and H072 Axle
1968GMCG25/G2500 Van4 X 2Rear InnerH031, H035 Axle - Wheel Seal
1968GMCG25/G2500 VanRWDRear InnerH031, H035 Axle - Wheel Seal
1968GMCG25/G2500 VanRearDifferential Race fits H052 and H072 Axle
1967ChevroletK20 Suburban4 X 2Rear InnerFitment: H052 Axle - Differential Pinion Seal
1967ChevroletK20 SuburbanRWDRear InnerFitment: H052 Axle - Differential Pinion Seal
1967ChevroletK20 Suburban4 X 4Rear InnerFitment: H052 Axle - Differential Pinion Seal
1967ChevroletK20 Suburban4WDRear InnerFitment: H052 Axle - Differential Pinion Seal
1967GMCG25/G2500 Van4 X 2Rear InnerH031, H035 Axle - Wheel Seal
1967GMCG25/G2500 VanRWDRear InnerH031, H035 Axle - Wheel Seal
1967GMCG25/G2500 VanRearDifferential Race fits H052 and H072 Axle

* 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:

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