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  3. DORMAN 20JM791

DORMAN 20JM791 Front Spindle Lock Nut Kit

fits model: F-150, Rwd. make: Ford. year: 1987–2003.

20jm791 Dorman Front Spindle Lock Nut Kit For 1987-2003 Ford F-150 Rwd

( Brand: Dorman ), ( Manufacturer Part Number: 20JM791 ), ( Part Type: Spindle Lock ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Front ), ( Compatibility Notes: Rwd; ), ( Notes: Dust Cap Not Included; Thread Size ), ( Cs-sku: 328 )

Review DORMAN Front Spindle Lock Nut Kit For Ford fits F-150 RWD 1987–2003

Dorman 20JM791 Front Spindle Lock Nut Kit for 1987-2003 Ford F-150 RWD

Description:

The Dorman 20JM791 Front Spindle Lock Nut Kit is an essential solution for Ford F-150 RWD owners with vehicles from the 1987 to 2003 model years. This kit is designed to provide a reliable and long-lasting replacement for worn or damaged lock nuts on the front spindles.

Each kit includes four lock nuts and four lock washers. These components are engineered to meet or exceed OEM specifications for a perfect fit and optimal performance. The lock nuts are made from high-strength steel, ensuring they can securely hold the spindle in place even under heavy loads.

The lock washers, on the other hand, are designed to evenly distribute the pressure between the spindle and the hub, preventing any unwanted vibrations or play. Their unique design also helps to protect the threads on the spindle from damage caused by rust or corrosion.

Installing the Dorman 20JM791 Front Spindle Lock Nut Kit is a straightforward process. Only basic hand tools are required for the job, making it an affordable and accessible solution for DIY enthusiasts. The nuts and washers can be easily accessed from the wheel well, allowing for a quick and convenient replacement.

By using the Dorman 20JM791 Front Spindle Lock Nut Kit, you'll not only restore the functionality of your Ford F-150 RWD's steering system but also enhance its safety and durability. This kit is an excellent investment for those who want to ensure their vehicle remains in top condition, both on the road and off.

So, if you're in need of a replacement for your worn or damaged lock nuts, the Dorman 20JM791 Front Spindle Lock Nut Kit is the perfect choice. Order yours today and experience the peace of mind that comes with knowing your steering system is secure and reliable.

Dorman 20JM791 Front Spindle Lock Nut Kit for 1987-2003 Ford F-150 RWD: A Comprehensive Analysis

The Dorman 20JM791 Front Spindle Lock Nut Kit is a common replacement part for the front wheel bearing assembly in 1987-2003 Ford F-150 RWD vehicles. This kit includes new lock nuts to secure the wheel bearings. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this part.

Pros:

1. OEM Equivalency: Dorman is known for manufacturing high-quality replacement parts that meet or exceed OEM specifications. This kit is no exception, ensuring a proper fit and function.

2. Improved Safety: Worn or damaged lock nuts can cause wheel separation, resulting in a dangerous situation. Replacing these nuts with new ones can prevent accidents and ensure a secure driving experience.

3. Cost-Effective: This kit offers a cost-effective solution for replacing worn or damaged lock nuts, as opposed to purchasing individual parts or an entire wheel bearing assembly.

4. Easy Installation: The kit includes all necessary lock nuts, making it a convenient and time-saving option for DIY enthusiasts.

Cons:

1. Part Availability: Due to its specific application, the Dorman 20JM791 Front Spindle Lock Nut Kit may not be readily available at local auto parts stores. You may need to order it online or from a specialty parts supplier.

2. Potential for Cross-Threaded Nuts: When removing the old lock nuts, there's a risk of cross-threading them, which can make installing the new nuts more challenging. Proper use of thread-chasing tools and careful attention can help mitigate this issue.

3. Possible Need for Additional Parts: Depending on the condition of your vehicle, you may need to replace other related components, such as wheel bearings or hub assemblies, in addition to the lock nuts.

Conclusion:

The Dorman 20JM791 Front Spindle Lock Nut Kit is a valuable investment for maintaining the safety and reliability of your 1987-2003 Ford F-150 RWD. Its OEM equivalency, ease of installation, and cost-effectiveness make it a worthwhile addition to your maintenance plan. However, its limited availability and potential for cross-threaded nuts are important considerations. Overall, the benefits of this kit outweigh the drawbacks, making it a recommended purchase for Ford F-150 owners in need of new lock nuts.

Details:

Item Specifics Gasket Or Seal Included: No. Notes: Dust Cap not Included; Thread Size: 3/4-16. One Time Use: No. Part Type: Spindle Lock Nut Kit.

Reliable Performance: Engineered to meet or exceed OEM specifications for consistent operation and longevity.Durability: Manufactured using high-quality materials withstand the demands of everyday driving.Easy Installation: designed as direct-fit replacements, requiring minimal effort no special modifications.Wide Availability: Covers a broad range vehicle applications, making it easier find right part your car truck. Thread Type: Fine. Dorman parts are engineered to meet or exceed OEM standards, providing reliable performance, durability, and ease of installation. Warranty Coverage: 1 Year.

Snap Rings Included: No. Nut Thickness: 0.34 IN. Nut Notch Quantity. Nut Material: Steel.

Position: Front. Thrust Washer Included: Yes. Application Notes: RWD;.

part #: 20jm791 price

  • $21.05

specifications othellodrivetrain:

  • for models: F-150, Rwd
  • for makes: Ford
  • for years: 1987-2003
  • brand: Dorman
  • mpn: 20jm791
  • part type: Spindle Lock
  • manufacturer warranty: 1 Year
  • placement on vehicle: Front
  • compatibility notes: Rwd;
  • notes: Dust Cap Not Included; Thread Size
  • cs-sku: 328

offer othellodrivetrain:

  • availability: In Stock
  • quantity: 1
  • started: February 22, 2026
  • sold: 0
  • options: Ship-to-home

general othellodrivetrain:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain

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seller othellodrivetrain:

  • rating: 99.3%
  • city: Bronx, New York
  • # reviews: 138
for models: f-150, rwd, for makes: ford, for years: 1987-2003, part type: spindle lock, manufacturer warranty: 1 year, placement on vehicle: front, compatibility notes: rwd;, notes: dust cap not included; thread size, cs-sku: 328,
category: auto parts > car truck parts accessories > transmission drivetrain, sku: 12685456964742853,

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1 offer $21.05 USD
  • Offer #1: $21.05 price + $0.00 shipping estimate = $21.05* total. 1987 Ford F-150 RWD; Dust Cap not Included; Thread Size: 3/4-16 Position: Front;. Part Type: Spindle Lock Nut Kit.FREE SHIPPING

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