HomeDriveline and Axles > Gaskets and Sealing SystemsTimken 3747 Wheel Seal - Rear or Rear Inner
Part #: 3747

Timken 3747 Wheel Seal - Rear or Rear Inner

Rear Inner
58 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$29.28Free 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 and GMC, G30, P30, R2500 Suburban, V2500 Suburban, G3500, P3500, R2500, R20, R20 Suburban, V20 Suburban, and V20
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Wheel Seal for Chevrolet and GMC Vehicles

The Timken 3747 wheel seal is designed to provide dependable sealing performance for select Chevrolet and GMC models. Engineered to maintain axle integrity, this wheel seal helps protect driveline components from contaminants and fluid leaks.

Key Features of Timken 3747 Wheel Seal

  • Compatible with Chevrolet and GMC models including G30, P30, P3500, R20, R20 Suburban, R2500, R2500 Suburban, V20, V20 Suburban, and V2500 Suburban
  • Precision-engineered to fit specific axle housings and wheel ends
  • Durable construction to resist wear and maintain sealing under various driving conditions
  • Helps prevent grease and lubricant leakage for extended driveline life
  • Part number 3747 ensures exact replacement and fitment

Detailed Description of Timken 3747 Wheel Seal

The Timken 3747 wheel seal is a critical component in the driveline and axle system, designed to fit a range of Chevrolet and GMC vehicles such as the G30 and P3500 series, as well as R20 and V20 Suburban models. This wheel seal is manufactured to meet precise OEM specifications, ensuring a secure fit that prevents contaminants like dirt and water from entering the axle assembly. By maintaining proper lubrication within the wheel hub, the Timken 3747 helps reduce wear on bearings and other driveline parts, contributing to vehicle reliability and performance.

Applications and Problem Solving

  • Prevents axle grease leakage that can lead to premature bearing failure
  • Blocks dirt, water, and debris from entering the wheel hub assembly
  • Reduces risk of driveline component corrosion and damage
  • Maintains proper lubrication levels for smooth wheel rotation
  • Addresses common seal wear issues in Chevrolet and GMC G30, P30, and Suburban models

Installation Notes and Tips

  • Ensure the axle housing and hub surfaces are clean and free of debris before installation
  • Use appropriate tools to avoid damaging the seal during installation
  • Verify the seal orientation matches OEM specifications for proper fit
  • Inspect related components such as bearings and hubs for wear during replacement
  • Follow vehicle manufacturer torque specifications when reassembling

Quality Assurance and Warranty

Timken wheel seals, including part number 3747, are manufactured to meet stringent quality standards for durability and performance. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in materials and workmanship. This ensures that the wheel seal will perform reliably when installed according to manufacturer guidelines on compatible Chevrolet and GMC vehicles.

This part fits 58 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1991ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1991ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1991ChevroletR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1991ChevroletV2500 Suburban4WDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1991GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1991GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1991GMCR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1990ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1990ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1990ChevroletR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1990ChevroletV2500 Suburban4WDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1990GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1990GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1990GMCR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989ChevroletR2500RWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989ChevroletR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989ChevroletV2500 Suburban4WDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989GMCR2500RWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1989GMCR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988ChevroletR20RWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988ChevroletR20 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988ChevroletV20 Suburban4WDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988GMCR2500RWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1988GMCR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987ChevroletR20RWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987ChevroletR20 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987ChevroletV204WDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987ChevroletV20 Suburban4WDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987GMCR2500RWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1987GMCR2500 SuburbanRWDRearFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1986ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1986ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1986GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1986GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1985ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1985ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1985GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1985GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1984ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1984ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1984GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1984GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1983ChevroletG30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1983ChevroletP30RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1983GMCG3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal Kit.
1983GMCP3500RWDRear InnerFits Manual Transmission Input Shaft Bearing, 9.5 in. Ring Gear, Axle Differential Bearing, and Seal 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:

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