SX-4638 TIMKEN Front Inner Wheel Bearing Race Ls

Review TIMKEN Pc Front Inner Wheel Bearing And Race Sets For Ls

The Timken SX-4638 front inner wheel bearing race is a critical component in the wheel assembly of select 1986 to 1991 Chevrolet and GMC vehicles, including the LS series. This product is manufactured by Timken, a renowned global leader in engineered bearings and power transmission components.

This wheel bearing race is designed to provide a reliable and smooth operation of the wheel assembly, enabling precise steering and stable vehicle handling. The SX-4638 is engineered using advanced materials and manufacturing techniques to ensure durability and resistance to wear and tear, even under heavy loads and extreme operating conditions.

The inner wheel bearing race is the portion of the wheel bearing that the inner wheel bearing rolls against. This race is typically made from high-strength steel and heat-treated for increased hardness and durability. The Timken SX-4638 front inner wheel bearing race is no exception. It is precision machined to exacting tolerances to ensure a perfect fit and proper function within the wheel assembly.

The race features a high-strength, heat-treated steel design for enhanced durability and resistance to wear. This means that it can withstand the heavy loads and forces experienced by the wheel assembly during vehicle operation, providing reliable and consistent performance.

The Timken SX-4638 front inner wheel bearing race comes with a grease seal, which helps to keep the wheel bearing properly lubricated and protected from external contaminants. This not only ensures the longevity of the component but also helps to reduce noise and vibration, providing a quiet and comfortable ride.

In summary, the Timken SX-4638 front inner wheel bearing race is a high-quality, durable component designed to provide reliable and consistent performance in the wheel assembly of select 1986 to 1991 Chevrolet and GMC vehicles. Its precision machining, advanced materials, and heat-treating make it an ideal choice for vehicles that demand the highest levels of performance and durability.

Pros and Cons of Buying Timken SX-4638 Front Inner Wheel Bearing Race for 1986-1991 Chevrolet/GMC LS

The Timken SX-4638 front inner wheel bearing race is a crucial component in maintaining the smooth operation of the vehicle's suspension and steering system in 1986-1991 Chevrolet and GMC LS models. Like any automotive part, it comes with its advantages and disadvantages.

1. Premium Quality: Timken is a renowned brand in the automotive industry known for producing high-quality bearing components. The SX-4638 is no exception, ensuring improved durability and reliability.

2. Enhanced Performance: A worn-out or faulty wheel bearing race can lead to vibrations, noise, and even steering instability. Replacing it with a new Timken SX-4638 race can help restore the vehicle's handling and ride quality.

3. OE (Original Equipment) Replacement: Timken SX-4638 is an OE replacement part, meaning it is engineered to match the specifications of the original part in your vehicle.

4. Reduced Wear and Tear: By investing in a high-quality aftermarket part like Timken SX-4638, you can help reduce the wear and tear on other related components, potentially saving you from future repair costs.

1. Cost: The Timken SX-4638 is a premium aftermarket part, which may be more expensive compared to some other aftermarket or OEM alternatives.

2. Installation Complexity: Installing the wheel bearing race can be a time-consuming and labor-intensive process, requiring access to the wheel hub, removal of the old race, and careful installation of the new one.

3. Availability: Depending on your location and the availability of the part from local suppliers, you might have to wait for the part to be shipped to you, potentially causing inconvenience and delay.

The decision to buy the Timken SX-4638 front inner wheel bearing race for your 1986-1991 Chevrolet or GMC LS ultimately depends on your priorities and circumstances. If you value premium quality, reliability, and performance, the investment in a Timken part may be worthwhile. However, if you're more concerned about cost and availability, you might consider exploring other options.

If you decide to go with the Timken SX-4638, ensure that you purchase it from a trusted automotive parts supplier to guarantee its authenticity and quality. Additionally, consider having the part installed by a professional mechanic to ensure proper installation and avoid any potential complications.

Details:

2 pc Timken front inner wheel bearing and race sets for 1986 - 1991 ls: status: in stock.

specifications differentialsdepo:

• for years: 1986–1991
• brand: Timken
• mpn: Sx-4638
• placement on vehicle: Driveline Axles Bearings
• type: Wheel Bearing And Race Set
• item length: 16.000
• manufacturer warranty: 1 Year
• ipn: C466 12-27
• compatible make: Mercedes-benz
• compatible model: 420sel
• compatible year: 1991 1990 1989 1988 1987 1986
• core charge: Free No Core Charge
• position: Front Inner
• fitment type: Direct Replacement
• bundle description: 2 Pc Genuine Timken Wheel Bearing And Race Set Kit

offer differentialsdepo:

• sold #: 15
• options: ship-to-home
• in stock #: 5
• availability: in stock
• prices: $21.87–$53.65
• item condition: New
• started: september 8, 2025

general differentialsdepo:

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

returns differentialsdepo:

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

seller differentialsdepo:

• # reviews: 565984
• rating: 98.7%
• city: indianapolis, indiana

payments differentialsdepo:

• credit card: diners-club
• other
• wallet: paypal

shipping differentialsdepo:

• class: standard, expedited
• service: standard, expedited
• transit: 3-6 days
• type: fixed