SX-7161 TIMKEN Rear Transmission Shaft Seals Gmc

Review TIMKEN Pc Rear Transmission Output Shaft Seals For Gmc for GMC 1979–1981

The Timken SX-7161 rear transmission shaft seals are specifically designed for use in 1979-1981 GMC P3500 models. These seals are an essential component of the drivetrain system, responsible for preventing transmission fluid from leaking out and contaminants from entering the transmission.

The SX-7161 seals are manufactured using a high-quality, reinforced rubber material that provides excellent sealability and durability. The seals feature a double-lip design, which ensures a tight seal against the transmission shaft and housing, even under high pressure and temperature conditions.

The outer diameter of the seal measures 1.25 inches, and the length is 1.5 inches. The seals have a square cross-section with a flange on one end, which helps to securely fasten them in place using the provided clips or retaining rings.

Timken SX-7161 rear transmission shaft seals come as a set of two, one for each side of the transmission. They are easy to install, and the process involves removing the old seals, cleaning the mating surfaces, and installing the new seals with the provided clips or retaining rings.

These seals are an excellent choice for fleet operators, commercial vehicle owners, and DIY enthusiasts who want to keep their GMC P3500s running smoothly and reliably. They provide an effective solution to common transmission leaks, helping to save time and money on costly repairs or replacements.

When it comes to transmission maintenance, a small investment in high-quality seals like the Timken SX-7161 can make a big difference in the longevity and performance of your vehicle. So, if you're looking for a reliable, long-lasting solution to your transmission leak issues, look no further than these premium rear transmission shaft seals from Timken.

Timken SX-7161 rear transmission shaft seals are aftermarket seals designed for use in 1979-1981 GMC P3500 trucks. These seals are an alternative to the original equipment manufacturer (OEM) seals, and like all aftermarket parts, they come with their own set of advantages and disadvantages.

1. Cost-Effective: Aftermarket seals like Timken SX-7161 are often less expensive than their OEM counterparts. This can be a significant advantage for truck owners looking to save on repair costs.

2. Availability: Aftermarket seals are more widely available than OEM seals, especially for older models like the 1979-1981 GMC P3500. This makes it easier for truck owners to find the parts they need and get their vehicles back on the road.

3. Performance: Timken is a reputable brand with a long history of producing high-quality parts. The SX-7161 seals are designed to provide the same level of performance as OEM seals, or even exceed it in some cases.

1. Fitment: While aftermarket seals are designed to fit the same application as OEM seals, there is always a risk of fitment issues. This can be a concern for truck owners who prioritize a perfect fit over cost savings.

2. Warranty: OEM seals often come with a manufacturer's warranty, which can provide peace of mind for truck owners. Aftermarket seals like Timken SX-7161 do not typically come with the same level of warranty coverage.

3. Quality Variability: While Timken is a reputable brand, there can be variability in the quality of aftermarket parts. This is why it's important to choose a reputable supplier and do your research before making a purchase.

Timken SX-7161 rear transmission shaft seals for 1979-1981 GMC P3500 trucks offer cost savings, availability, and the potential for improved performance. However, they also come with the risk of fitment issues, no warranty coverage, and potential variability in quality. Ultimately, the decision to buy aftermarket seals or OEM seals depends on the truck owner's priorities, budget, and level of comfort with aftermarket parts. If cost savings and availability are the top priorities, then aftermarket seals like Timken SX-7161 may be the best choice. However, if a perfect fit and warranty coverage are more important, then OEM seals may be the better option.

My recommendation would be for truck owners to carefully consider their priorities before deciding to buy aftermarket seals like Timken SX-7161 or OEM seals for their 1979-1981 GMC P3500 trucks. If cost savings and availability are the main concerns, then aftermarket seals may be the best choice. However, if a perfect fit and warranty coverage are more important, then OEM seals may be the better option. It's also important to choose a reputable supplier and do thorough research before making a purchase to ensure the best possible experience.

Details:

2 pc Timken rear transmission output shaft seals for 1979 1981 Gmc P3500 dd: status: in stock.

specifications differentialsdepo:

• for makes: Gmc
• for years: 1979–1981
• brand: Timken
• mpn: Sx-7161
• placement on vehicle: Transmission Gaskets Sealing Systems
• type: Manual Transmission Output Shaft Seal
• item length: 16.000
• manufacturer warranty: 1 Year
• ipn: C582 17-46
• compatible model: P3500
• compatible year: 1981 1980 1979
• core charge: Free No Core Charge
• position: Rear
• fitment type: Direct Replacement
• bundle description: 2 Pc Genuine Timken Manual Transmission Output Shaft Seal Kit

offer differentialsdepo:

• prices: $11.23–$20.42
• item condition: New
• availability: in stock
• sold #: 9
• started: february 26, 2026
• options: ship-to-home
• in stock #: 5

payments differentialsdepo:

• other
• credit card: mastercard
• wallet: apple-pay

returns differentialsdepo:

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

seller differentialsdepo:

• rating: 99.5%
• # reviews: 626361
• city: indianapolis, indiana

shipping differentialsdepo:

• type: fixed
• transit: 2-6 days
• service: standard, expedited
• class: standard, expedited

general differentialsdepo:

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