HomeDriveline and Axles > Gaskets and Sealing SystemsFAG SS2373 Differential Pinion Seal - Rear
Part #: SS2373

FAG SS2373 Differential Pinion Seal - Rear

Rear
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mustang
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Reliable Differential Pinion Seal for Ford Mustang

The FAG SS2373 differential pinion seal is engineered to provide a durable and precise sealing solution for Ford Mustang driveline systems. Designed with high-quality nitrile sealing material and a metal spring construction, this seal ensures effective protection against leaks and contamination.

  • Seal Type: Metal with spring for secure fitment
  • Sealing Material: Durable nitrile for resistance to oil and wear
  • Bore Diameter: 2.312 inches (58.725 mm)
  • Seal Outside Diameter: 2.316 inches (58.826 mm)
  • Seal Width: 1.328 inches (10.998 mm)

Technical Details and Specifications

The FAG SS2373 differential pinion seal features a metal spring design that maintains consistent pressure on the sealing lip, preventing oil leaks in the differential assembly. The nitrile sealing material offers excellent resistance to heat, oil, and abrasion, making it suitable for the demanding conditions of the Ford Mustang's driveline. With precise bore and outside diameters, this seal fits securely within the differential housing to maintain optimal performance.

Compatible Applications and Use Cases

This differential pinion seal is specifically compatible with Ford Mustang models, ensuring a proper fit and reliable sealing performance. It is designed to address common driveline issues such as:

  • Preventing differential oil leaks
  • Reducing contamination ingress into the differential
  • Maintaining proper lubrication within the pinion assembly
  • Minimizing wear on differential components
  • Ensuring consistent driveline performance

Installation Notes and Tips

When installing the FAG SS2373 differential pinion seal, ensure the differential housing and pinion shaft are clean and free of debris. Proper alignment during installation is critical to avoid seal damage. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal dimensions match the original equipment specifications for the Ford Mustang to ensure compatibility.

Quality Assurance and Warranty

FAG manufactures the SS2373 differential pinion seal to meet stringent quality standards, providing reliable sealing performance for Ford Mustang driveline systems. While specific warranty details are not provided, FAG products are known for consistent manufacturing quality and durability in automotive applications.

BrandFAG
Part NumberSS2373
40531.328
405333.731
Seal TypeMetal; spring
Sealing MaterialNitrile
Bore Diameter2.312
Bore Diameter58.725
Seal Outside Diameter2.316
Seal Outside Diameter58.826
Seal Width1.328
Seal Width10.998

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1970FordMustangRearSchaeffler Seal Global Number 413 2373 100
1970FordMustangRearWCY Axle,4 Spline Shaft; 7.25" Ring Gear; Schaeffler Seal Global Number 413 2373 100
1970FordMustangRear7.25" Ring Gear; WCY Axle,4 Spline Shaft; Schaeffler Seal Global Number 413 2373 100
1969FordMustangRearWCY Axle,4 Spline Shaft; 7.25" Ring Gear; Schaeffler Seal Global Number 413 2373 100
1969FordMustangRear28 and 31 spline axle shaft; 9.00" Ring Gear; Schaeffler Seal Global Number 413 2373 100
1968FordMustang3.3LL6RearSchaeffler Seal Global Number 413 2373 100
1968FordMustangRear1.375" diameter 28 spline axle shaft; Schaeffler Seal Global Number 413 2373 100
1967FordMustang3.3LL6RearSchaeffler Seal Global Number 413 2373 100

* 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:

1341941323731009161

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.