New 8J6730 Pump G Replacement suitable for CAT 12G, 120G, 130G, 140G, 3304 and more

  • Pump G Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$8,519.42

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
8J6730CTP
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Description for 8J6730 Piston Pump

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This aftermarket Caterpillar 8J6730 Piston Pump is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Piston Pump.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 8J6730 Piston Pump

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Replacement Part Number(s): 8J-6730, 10R2438
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 180.00 LBS | 81.65 KG
Dimensions: 23.62 x 12.99 x 11.02 (inches)
Condition: New

Exact Fit Guarantee for 8J6730 Piston Pump

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Looking for a reliable replacement Caterpillar 8J6730 Piston Pump ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
More Information
Models 12G, 120G, 130G, 140G, 3304
Dimensions 23.62x12.99x11.02
Customer Reviews
  1. 100%
    Prompt service, Friendly people and hassle free
  2. 100%
    Excelente servicio rapido, responsable y confiable
  3. 100%
    This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
  4. 100%
    Great service affordable parts
  5. 100%
    Great pricing and fast shipping!
    I'll admit that I was skeptical of propel parts, but they are an honest site and came through with the order. I was skeptical because I've never ordered heavy machinery parts, and didn't know who to trust. The parts that I ordered showed in stock, but after checking with their vendor, they only had half of the order in stock. I was notified the day after the order, and most of the parts arrived in a few days. There was one part that was not shipped putz but I was able to talk with who I assumed is the owner who rectified the situation and had the part overnighted to me.

    I will say that communication speed could use a little work, but they will eventually get back with you.
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Frequently Asked Questions

Product

What is the 8J6730 Pump G used for?

This pump is designed to circulate hydraulic fluid efficiently in heavy machinery, ensuring smooth operation of hydraulic systems in various equipment models.

How to Install this 8J6730 pump G?

Please refer to the following instructions to install
1. First turn off the machine and relieve any hydraulic pressure 
2. Clean the mounting area and connecting surfaces 
3. Carefully align the pump and secure it with the proper bolts 
4. Reconnect all hydraulic lines, refill with fluid, and check for leaks before starting the system

Which equipment models are compatible with this pump?

The 8J6730 Pump G fits multiple models including 12G, 120G, 130G, 140G, 3304, and more. Always verify compatibility with your specific machine before installation. Check your manual or reach out to Propel Parts for help verifying fitment.

How reliable is this 8J6730 pump?

This 8J6730 pump G is designed to OEM specifications, providing consistent performance and durability under standard operating conditions when properly installed and maintained.

Can I use an old pump instead of replacing it?

Using an old or worn pump may lead to reduced efficiency, leaks, or system failure. Replacing it with a new pump ensures optimal performance and safety.

What maintenance does this 8J6730 pump require?

Regular maintenance for this 8J6730 Pump
1. Regularly inspect the pump for leaks, cracks, or unusual noises. 
2. Keep hydraulic fluid clean and at recommended levels to prolong the pump’s lifespan and maintain system efficiency.

What should I do if the hydraulic system shows low pressure after installation?

Check all connections for leaks, ensure the pump is properly aligned and mounted, and confirm that fluid levels are correct. If issues persist, inspect the pump for damage or obstruction.
Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 8J6730 Piston Pump is compatible with the following models:
12G, 120G, 130G, 140G, 3304 & more...

Shipping

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.

We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.

Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Easy Returns

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Warranty

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.