NATIONAL SX-TR4R Rear Outer Differential Pinion Seal
fits model: C170, F-350. make: Ford. year: 1985–1998.
( Brand: National ), ( Manufacturer Part Number: SX-TR4R ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C170 5-27 ), ( Placement On Vehicle: Driveline Axles Gaskets Sealing Systems ), ( Compatible Model: F-350 ), ( Compatible Year: 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 ), ( Core Charge: Free No Core Charge ), ( Position: Rear Outer ), ( Type: Differential Pinion Seal ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine National Differential Pinion Seal )
Review NATIONAL Rear Outer Differential Pinion Seal For Ford fits C170 F-350 1985–1998
Introducing the National SX-TR4R Rear Outer Differential Pinion Seal, specifically designed for Ford F-350 models from 1985 to 1998. This premium-quality seal is engineered to provide superior protection against leaks and contamination, ensuring a longer service life for your differential.
The National SX-TR4R Rear Outer Differential Pinion Seal is manufactured using advanced materials, including a robust, high-tensile elastomeric compound. This material offers excellent resistance to heat, pressure, and the damaging effects of various fluids, ensuring a tight seal even under the most demanding conditions.
The seal features a unique, double-lip design that offers an additional layer of protection against leaks. The outer lip seals the differential housing to the pinion shaft, while the inner lip seals the pinion shaft to the gear. This double-lip design creates an effective barrier against leakage, keeping your differential fluid contained and your vehicle's undercarriage clean and dry.
The National SX-TR4R Rear Outer Differential Pinion Seal is easy to install, with a press-fit design that allows it to be installed using standard hand tools. The seal comes with an installation tool to ensure a precise fit and proper seating.
Designed to meet or exceed OE specifications, the National SX-TR4R Rear Outer Differential Pinion Seal is an excellent choice for Ford F-350 owners seeking reliable, long-lasting performance. By choosing this seal, you can enjoy peace of mind knowing that your differential is protected against leaks and contamination, allowing you to focus on the road ahead.
Pros and Cons of Buying a National SX-TR4R Rear Outer Differential Pinion Seal for 1985-1998 Ford F-350
1. **Pros of Buying National SX-TR4R Rear Outer Differential Pinion Seal:**a. **OEM-grade Quality:** National seal is an OEM (Original Equipment Manufacturer) replacement part, which means it is manufactured to meet the same specifications as the original equipment that came with your Ford F-350.
b. **Reliable:** A good seal is essential for preventing leaks and maintaining the differential's performance. National SX-TR4R seal is designed to provide a reliable seal, ensuring that your differential stays leak-free and performs optimally.
c. **Long Lasting:** This seal is made from high-quality materials that can withstand the harsh conditions of off-road driving or heavy towing, making it a long-lasting solution for your F-350.
2. **Cons of Buying National SX-TR4R Rear Outer Differential Pinion Seal:**a. **Cost:** National SX-TR4R seal is a premium product, and its price reflects its OEM-grade quality. It might be more expensive than aftermarket alternatives.
b. **Installation:** Installing the new seal can be a complex and time-consuming process, especially if you don't have mechanical experience. You may consider hiring a professional mechanic to do the job for you.
3. **Ending Conclusion:**The National SX-TR4R rear outer differential pinion seal for 1985-1998 Ford F-350 is a high-quality, reliable, and long-lasting solution for preventing leaks and ensuring optimal differential performance. While it comes with a higher price tag compared to aftermarket alternatives, the peace of mind and superior performance it offers make it a worthwhile investment.
**Recommendation:**If you are looking for a reliable and long-lasting differential pinion seal for your 1985-1998 Ford F-350, consider purchasing the National SX-TR4R seal. It might cost more than aftermarket alternatives, but its OEM-grade quality and superior performance make it a worthwhile investment for your vehicle.
Details:
National Rear Outer Differential Pinion Seal for 1985 - 1998 Ford F-350 uu: Status: In Stock.
part #: sxtr4r prices
- $18.40-$23.71
specifications parthick:
- for models: C170, F-350
- for makes: Ford
- for years: 1985-1998
- brand: National
- mpn: Sx-tr4r
- manufacturer warranty: 1 Year
- ipn: C170 5-27
- placement on vehicle: Driveline Axles Gaskets Sealing Systems
- compatible model: F-350
- compatible year: 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986
- core charge: Free No Core Charge
- position: Rear Outer
- type: Differential Pinion Seal
- fitment type: Direct Replacement
- bundle description: 1 Pc Genuine National Differential Pinion Seal
returns parthick:
- time: 30 Days
- policy: Returns Accepted
- paid by: Seller
seller parthick:
- # reviews: 578988
- city: Indianapolis, Indiana
- rating: 99.0%
offer parthick:
- options: Ship-to-home
- started: October 10, 2025
- quantity: 9
- sold: 0
- availability: In Stock
payments parthick:
- other
- credit card: Diners-club
- wallet: Google-pay
general parthick:
- Parts Accessories > Car Truck Parts Accessories > Other Car Truck Parts Accessories
- condition: New
shipping parthick:
- service: Standard, Expedited
- type: Fixed
- transit: 5-8 Days
- class: Standard, Expedited
- cost: $0.00
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