PUMP178912S120 PUMPMART Axle Differential Locker Spline Dana

Review PUMPMART For Ford Chevy Chevrolet Gmc Axle Differential Locker 30 Spline for FORD CHEVY CHEVROLET GMC DANA

The Pumpmaster Pump178912S120 is a high-performance hydraulic pump specifically designed for use with differential lockers in Ford, Chevy, and GMC vehicles equipped with Dana 30 axles and a 12-spline output shaft. This pump is engineered to deliver maximum power and reliability for off-road and heavy-duty applications.

The Pumpmaster Pump178912S120 features a robust cast iron housing with a durable, corrosion-resistant zinc coating. The housing is designed to withstand the rigors of off-road use and is capable of handling high hydraulic pressures. The pump's internal components, including the impeller and gears, are made from high-strength materials, ensuring long-lasting performance even in the most demanding conditions.

The pump's 12-spline output shaft is designed to directly interface with most differential locker units, making it a direct replacement for the stock pump. The pump's compact size and lightweight design make it easy to install, and its external mounting configuration allows for easy access to the hydraulic system for maintenance.

The Pumpmaster Pump178912S120 is compatible with most popular differential locker brands, including ARB, Auburn Gear, Detroit Locker, and Eaton. It is also suitable for use with hydraulic actuators and other hydraulic systems that require a high-flow, high-pressure hydraulic pump.

The pump's high-volume flow rate and efficient design ensure that it can supply ample hydraulic fluid to your differential locker, providing maximum power and torque for improved traction and off-road performance. The pump is also backed by Pumpmaster's industry-leading warranty, which covers defects in materials and workmanship for a period of one year from the date of purchase.

In summary, the Pumpmaster Pump178912S120 is a high-performance hydraulic pump designed specifically for Ford, Chevy, and GMC vehicles equipped with Dana 30 axles and differential lockers. Its robust construction, high-volume flow rate, and compatibility with popular locker brands make it an excellent choice for off-road and heavy-duty applications, while its efficient design and external mounting configuration make it easy to install and maintain.

The Dana 30 Spline Axle Differential Locker Pumpmart Part Number 178912S120 is a popular aftermarket part for Ford, Chevy, and GMC vehicles. This part is designed to replace the factory differential locker and provides several benefits. Here are some pros and cons of buying this part:

1. Enhanced traction: The differential locker helps distribute power evenly between the wheels on the same axle, improving traction and reducing wheel slip in low-traction conditions.

2. Off-roading capabilities: This part is essential for off-road driving, where the terrain may be uneven, and additional traction is required to prevent wheel spin and improve vehicle stability.

3. Durability: The Dana 30 Spline Axle Differential Locker is made of high-quality materials, ensuring it can withstand the rigors of off-road use and heavy-duty towing.

4. Easy installation: The pumpkit comes with all the necessary components for installation, making it a relatively straightforward process for most DIY enthusiasts.

1. Cost: The cost of this part can be relatively high compared to the factory differential locker, making it a significant investment for some vehicle owners.

2. Limited compatibility: This part may not be compatible with all Ford, Chevy, and GMC vehicles, so it is essential to check the specific application before making a purchase.

3. Noise: Some users have reported an increase in noise levels after installing the differential locker, which can be due to the additional components and increased friction.

In conclusion, the Pumpmart Part Number 178912S120 Dana 30 Spline Axle Differential Locker is an excellent investment for vehicle owners who use their vehicles for off-road driving or heavy-duty towing. The benefits of enhanced traction, durability, and ease of installation make it a worthwhile investment, despite the high cost and potential noise increase. However, it is essential to ensure the part is compatible with your specific vehicle application before making a purchase.

Recommendation: If you frequently use your Ford, Chevy, or GMC vehicle for off-road driving or heavy-duty towing, the Pumpmart Part Number 178912S120 Dana 30 Spline Axle Differential Locker is a worthwhile investment for improved traction, durability, and ease of installation. It may be a significant investment, but the benefits can make a significant difference in your driving experience. However, always ensure the part is compatible with your specific vehicle application before making a purchase.

Details:

Boxes, APO/FPO or military mail box. The internal gears on the locker will override each other to allow this distinction. Chevrolet k5 blazer 1975-1980. Fit for the following model's: Chevrolet k10 suburban 1967-1980.

Effect:the operation of differential locker is fully automatic. Function:when driving in a straight line, the locker will lock axles together, similar to spool. Note: fits Dana 44; w/ 30 spline axles model's package includes: 1 44 locker axle -30 differential. However, when the wheels need to be differentiated during a turn, locker will allow outer rotate faster complete turn.

Compatible differentials. Newly listed. Chevrolet k20 1975-1980.

specifications differentialsdepo:

• for models: Dana
• for makes: Ford, Chevy, Chevrolet, Gmc
• brand: Pumpmart
• mpn: Pump178912s120
• manufacturer warranty: 3 Years
• fitment type: Direct Replacement
• shipped country: Us
• custom bundle: No
• bundle description: 1x Axle Differential Locker
• material: Metal
• package type: Box
• return policy: 30 Days Free Return
• oe/oem part number: Sl D44-30/sl D44hd-30
• specification: Must Have Dana 44 With 30 Spline Axles
• type: Axle Differential Locker
• vintage part: Yes

general differentialsdepo:

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

returns differentialsdepo:

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

seller differentialsdepo:

• rating: 99.4%
• # reviews: 601
• city: ontario, california

payments differentialsdepo:

• other
• wallet: paypal
• credit card: visa

shipping differentialsdepo:

• carrier: fedex
• class: economy
• service: fedex ground economy
• transit: 4-8 days
• type: fixed

offer differentialsdepo:

• availability: in stock
• sold #: 20
• price: $130.99
• item condition: New
• best offers: true
• in stock #: 1
• started: november 6, 2025
• options: ship-to-home