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Timken 3730 Differential Pinion Race - Rear InnerOE Quality 60-Day Returns
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Part #: 3730

Timken 3730 Differential Pinion Race - Rear Inner

Rear Inner
⚙️ 24 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, G30, P30, G3500, and P3500
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Reliable Differential Pinion Race for Chevrolet and GMC Vehicles

The Timken 3730 differential pinion race is engineered to provide precise fitment and durability for Chevrolet and GMC models including the G30, P30, and P3500. Designed to maintain optimal driveline performance, this component supports smooth differential operation under demanding conditions.

  • Compatible with Chevrolet G30, GMC P30, and P3500 models
  • Part number 3730 ensures exact replacement fit
  • Manufactured by Timken, a trusted name in driveline components
  • Constructed for durability and long service life
  • Supports proper differential pinion bearing seating and alignment

Product Details and Specifications

The Timken 3730 differential pinion race is a critical component within the driveline and axles category, specifically designed to fit the pinion bearing in the differential assembly. This part is essential for maintaining the correct bearing preload and alignment, which directly affects the differential’s performance and longevity. Compatible with Chevrolet G30, GMC P30, and P3500 vehicles, the 3730 pinion race is manufactured to meet OEM standards, ensuring reliable operation and fitment. The precision engineering of this race helps reduce wear and prevents premature failure of the pinion bearing.

Common Applications and Problem Resolution

  • Replacement for worn or damaged differential pinion races in Chevrolet G30, GMC P30, and P3500
  • Addresses issues related to differential noise caused by bearing misalignment
  • Helps eliminate excessive play or looseness in the pinion bearing
  • Prevents premature bearing wear and potential differential failure
  • Restores proper bearing preload for smooth driveline operation

Installation Notes and Tips

Proper installation of the Timken 3730 differential pinion race requires careful attention to bearing seating and alignment. It is recommended to use appropriate tools such as a bearing race driver to avoid damage during installation. Ensure the pinion bearing and race surfaces are clean and free of debris before assembly. Follow vehicle-specific torque specifications and preload settings to maintain optimal differential performance. If unsure, consult a professional mechanic for installation assistance.

Quality Assurance and Warranty Information

Timken manufactures the 3730 differential pinion race to meet stringent quality standards, ensuring consistent 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 of the part’s reliability when installed and maintained according to manufacturer guidelines.

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
1984ChevroletG30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1984ChevroletP30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1984GMCG3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1984GMCP3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1983ChevroletG30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1983ChevroletP30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1983GMCG3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1983GMCP3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1982ChevroletG30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1982ChevroletP30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1982GMCG3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1982GMCP3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1981ChevroletG30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1981ChevroletP30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1981GMCG3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1981GMCP3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1980ChevroletG30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1980ChevroletP30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1980GMCG3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1980GMCP3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1979ChevroletG30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1979ChevroletP30Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1979GMCG3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio
1979GMCP3500Rear Inner10.5 in. Ring Gear - 4.10, 4.56 Gear Ratio

* 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.