S604 ACDELCO Differential Pinion Bearing R2500 Gmc Gm

Review ACDELCO For Gmc Genuine Gm Parts Differential Pinion Bearing for GMC GM R2500 1987–1988

ACDelco S604 Differential Pinion Bearing for GMC R2500 (1987-1988)

The ACDelco S604 Differential Pinion Bearing is a premium quality replacement component designed specifically for the GMC R2500 models from 1987 to 1988. This essential automotive part is crucial for maintaining the smooth operation and longevity of your vehicle's differential system.

The pinion bearing is located at the front of the differential and supports the pinion shaft, which connects to the drive axles. Over time, this component can wear out due to the heavy loads and constant rotation it endures. When this occurs, symptoms such as noise, vibration, and difficulty in turning the vehicle may become apparent.

The ACDelco S604 Differential Pinion Bearing is engineered to meet or exceed OE specifications. This ensures a precise fit, reliable performance, and dependable service life. The bearing is manufactured using high-quality materials, specifically designed to withstand the rigors of automotive use.

This replacement pinion bearing comes as a complete assembly, including the bearing, seals, and any other necessary components. This simplifies the installation process and reduces the likelihood of having to purchase additional parts. The design also ensures a hassle-free installation, minimizing the time spent on vehicle repairs.

ACDelco is a trusted global automotive manufacturer and supplier, providing aftermarket parts for a wide range of vehicle applications. Their commitment to research, development, and innovation allows them to produce high-quality components that meet the evolving needs of automotive technology. By choosing the ACDelco S604 Differential Pinion Bearing for your GMC R2500, you can enjoy peace of mind knowing that you're using a reliable and effective solution to keep your vehicle running smoothly.

Pros and Cons of Buying an Acdelco S604 Differential Pinion Bearing for a GMC R2500 (1987-1988)

a) Established Brand: Acdelco is a well-known automotive parts manufacturer, which guarantees a certain level of quality and reliability.

b) OEM-equivalent: The Acdelco S604 is an OEM-equivalent part, meaning it matches the original equipment in terms of specifications, dimensions, and material.

c) Wide Availability: Acdelco parts are widely available at auto parts stores and online retailers, making it convenient for customers to purchase and receive them.

d) Durability: The Acdelco S604 is engineered to withstand the heavy loads and constant rotational stresses of a differential, ensuring a long lifespan.

a) Price: Compared to aftermarket alternatives, the Acdelco S604 might be more expensive due to its OEM-equivalent status and brand reputation.

b) No Performance Upgrades: This bearing is a direct replacement part and doesn't offer any performance upgrades or enhancements.

The Acdelco S604 differential pinion bearing for a GMC R2500 (1987-1988) is a high-quality, reliable, and durable option that guarantees a proper fit and function, given its OEM-equivalent status. However, it may come with a higher price tag compared to aftermarket alternatives. Ultimately, the decision to buy the Acdelco S604 depends on the customer's priorities, including their budget, desire for performance upgrades, and preference for a well-known brand.

If you value reliability, convenience, and trust in a reputable brand, the Acdelco S604 differential pinion bearing is an excellent choice for your GMC R2500 (1987-1988). It ensures a proper fit, reliable performance, and peace of mind. However, if you're looking for cost savings, you may want to consider aftermarket alternatives.

Details:

Made from high-quality materials for ultimate durability. Features: designed to deliver trouble-free, consistent performance. With many years of manufacturing experience, Acdelco is the name you can trust. Right for your vehicle and lifestyle.

Race included: yes. Specifications: inside diameter: 1.37. Designed utilizing the latest technology, this product by Acdelco features premium quality and will perform better than advertised. Cup and cone.

Genuine Gm parts differential pinion bearing S604 by Acdelco. Bearing type: tapered roller. width : 1.000. Manufactured to meet or exceed strict quality requirements.

Inside diameter: 34.80mm.

specifications differentialsdepo:

• for models: R2500
• for makes: Gmc, Gm
• for years: 1987–1988
• brand: Acdelco
• mpn: S604
• part type: Pinion Bearing
• product type: Driveline Axles
• upc: 036666148145
• fitment type: Direct Replacement
• compatible make s: Chevrolet, Gmc, Cadillac, Pontiac, Hummer, Isuzu, Saab
• compatible model s: Silverado 2500 Hd, Silverado 3500 Hd, Silverado 1500
• fitnote: Drivetypename, With 3.73 Ratio. Fits Models With 3.73
• product subtype: Differentials
• product details: Differential Bearing
• series: Genuine Gm Parts
• department: Replacement

shipping differentialsdepo:

• class: standard
• type: fixed
• carrier: fedex
• transit: 3-7 days
• service: fedex ground / fedex home delivery

payments differentialsdepo:

• other
• wallet: google-pay
• credit card: diners-club

offer differentialsdepo:

• in stock #: 5
• availability: in stock
• sold #: 13
• prices: $18.95–$59.95
• item condition:
  • New
  • New other (see details)
• options: ship-to-home
• started: august 6, 2025

seller differentialsdepo:

• # reviews: 126338
• city: port washington, new york
• rating: 97.2%

returns differentialsdepo:

• time: 30 days
• paid by: seller
• policy: returns accepted

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Bearings