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  3. SPICER 32JMSBW45

32JMSBW45 SPICER Front Differential Ring Pinion F250 F350

fits model: F250, F350, F450, F550.

32JMSBW45 SPICER Front Differential Ring Pinion F250 F350
More Information
BrandSPICER
Manufacturer Part Number32JMSBW45
TypeDIFFERENTIAL RING AND PINION
Placement On VehicleFRONT
Fits 11978-1979 FORD F250
Fits 21978-1997 FORD F350
Fit NoteFSFT REVERSE ROTATION TURN INPUT SHAFT CLOCKWISE OUTPUT.
AttentionPLEASE READ ALL NOTES TO CONFIRM FITMENT
Cs-sku400

Review SPICER Front Differential Ring And Pinion For Super Duty for F250 F350 F450 F550

Introducing the Spicer 32JMSBW45 front differential ring pinion, an essential component for your Ford F-250, F-350, F-450, and F-550 trucks. This ring pinion is a critical part of your vehicle's drivetrain, responsible for transferring power from the differential to the drive shaft.

The Spicer 32JMSBW45 ring pinion is engineered with precision and durability in mind. It is manufactured using high-quality materials and advanced manufacturing processes to ensure a perfect fit and reliable performance. This ring pinion features a robust design with a hardened and ground tooth surface that provides superior strength and resistance to wear and tear.

This ring pinion comes with a pre-lubed pinion shaft, ensuring a smooth and hassle-free installation process. It also includes new seals to maintain the differential fluid level and prevent leakage. The pinion shaft is precision machined to ensure perfect alignment with the ring gear, ensuring optimal performance and longevity.

The Spicer 32JMSBW45 front differential ring pinion is specifically designed for Ford F-Series trucks with a 3.73 axle ratio. It is an excellent upgrade for those looking to improve their truck's towing capacity or off-road performance. With its robust design and high-quality materials, this ring pinion is built to last, providing you with peace of mind and dependable performance.

Installing the Spicer 32JMSBW45 front differential ring pinion is a straightforward process that can be done in a home garage with basic hand tools. The included installation instructions provide clear and detailed steps to ensure a successful installation. Additionally, Spicer offers technical support to assist you with any questions or concerns you may have during the installation process.

In summary, the Spicer 32JMSBW45 front differential ring pinion is an essential upgrade for your Ford F-250, F-350, F-450, or F-550 truck. Its robust design, high-quality materials, and easy installation process make it an excellent choice for those looking to improve their truck's performance and reliability. Trust Spicer to provide you with a reliable and durable ring pinion that will exceed your expectations.

Spicer 32JMSBW45 Front Differential Ring Pinion: A Detailed Analysis

The Spicer 32JMSBW45 front differential ring pinion is a critical component in the drivetrain system of Ford F250, F350, F450, and F550 vehicles. This part connects the pinion shaft to the ring gear in the differential, transmitting power to the wheels. In this analysis, we will discuss the key features, advantages, and disadvantages of purchasing a Spicer 32JMSBW45 front differential ring pinion.

Features:

1. Designed to fit Ford F250, F350, F450, and F550 vehicles with a 4.10 gear ratio.

2. Manufactured using high-strength steel for durability and long-lasting performance.

3. Heat-treated for enhanced strength and resistance to wear.

4. Precision-machined for accurate fitment and optimal performance.

Advantages:

1. Enhanced durability: The Spicer 32JMSBW45 front differential ring pinion is manufactured using high-strength steel, ensuring long-lasting performance even under heavy loads.

2. Improved torque capacity: The heat-treated design of this ring pinion increases its torque capacity, allowing for better performance and towing capabilities.

3. Precise fitment: The ring pinion is machined to exacting standards, ensuring a perfect fit in your Ford vehicle.

4. OEM-quality: The Spicer 32JMSBW45 ring pinion is an OEM (original equipment manufacturer) replacement part, meaning it is designed to meet or exceed the performance of the original part.

Disadvantages:

1. Cost: The Spicer 32JMSBW45 front differential ring pinion is a premium replacement part, and you can expect to pay more than you would for an aftermarket or rebuilt part.

2. Availability: Due to its OEM status, this ring pinion may not be as widely available as aftermarket or rebuilt options.

3. Installation: Installing a new ring pinion can be a complex process, and it may require specialized tools and expertise.

Conclusion:

The Spicer 32JMSBW45 front differential ring pinion is an excellent choice for Ford F250, F350, F450, and F550 owners who demand superior performance and durability. Its OEM quality, precise fitment, and enhanced torque capacity make it a worthwhile investment for heavy-duty use. However, its cost and limited availability may deter some buyers. Ultimately, if you value reliability, performance, and a perfect fit, the Spicer 32JMSBW45 front differential ring pinion is a worthy consideration.

Recommendation:

If you are a frequent tow vehicle user or demand the highest level of performance from your Ford F250, F350, F450, or F550, the Spicer 32JMSBW45 front differential ring pinion is an excellent choice. Its OEM quality and enhanced torque capacity make it a worthwhile investment for those who demand the best from their vehicle. However, if you are on a budget or prefer a more cost-effective solution, consider an aftermarket or rebuilt ring pinion instead. Always ensure that you purchase the correct part for your specific vehicle and gear ratio to ensure optimal performance.

Details:

Dana validated and approved for quality durability. The SL gearing manufacturing processes ensures that you get guaranteed performance is engineered to meet aftermarket demands. SL delivers quality and performance that meet or exceed the most popular non-genuine products. Detailed applications vehicle, 1978-1979 ford F250, 2002 -2013 F250 super duty, 1978-1997 F350, 1999 -2015 F350 2000 -2004 F450 F550 duty.

Product specifications include installation kit:no, new or remanufactured:new, ring gear included:yes. Front differential ring and pinion 32JMSBW45 for F250 super duty F350 F450 F550: position: brand: Spicer condition: new, notes fsft reverse rotation - turn input shaft clockwise output will counter-clockwise; with 5.38 gear ratio; Dana 60 axle features: designed precision engineering.

specifications differentialsdepo:

  • for models: F250, F350, F450, F550
  • brand: Spicer
  • mpn: 32jmsbw45
  • type: Differential Ring And Pinion
  • placement on vehicle: Front
  • fits 1: 1978-1979 Ford F250
  • fits 2: 1978-1997 Ford F350
  • fit note: Fsft Reverse Rotation Turn Input Shaft Clockwise Output.
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

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

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general differentialsdepo:

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

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  • paid by: seller
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offer differentialsdepo:

  • availability: in stock
  • started: may 8, 2026
  • options: ship-to-home
  • sold #: 9
  • in stock #: 1
  • price: $261.10
  • item condition: New

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  • # reviews: 57841
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rating: 97.1% out of 100 based on 841 user ratings.
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