8J8809 Pump G for CAT D3B, D3C, D4C & more
- Pump G Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 8J8809 Gear Pump
â–¶Specification for 8J8809 Gear Pump
â–¶Exact Fit Guarantee for 8J8809 Gear Pump
â–¶| Models | D3B, D3C, D4C |
|---|---|
| Dimensions | 9.06x9.06x9.06 |
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Excellent Customer service
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Great company with outstanding customer service. Always get answers to my questions and always get my order to me quickly!
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Quick Response. Very much appreciated.
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Quick and efficient.
Great products and a great team to deal with. We had a small issue with a missing part and the Customer Services Team dealt with it quickly and efficiently and in a way which left me, the customer, feeling entirely satisfied. Would highly recommend. -
Great Customer Service!
Had some difficulties with the website. Contacted customer service. Once I communicated the issues I was having Steven worked through getting my order processed and making sure I got my receipt and all issues resolved. Perfect!
Frequently Asked Questions
What is the 8J8809 pump used for?
The 8J8809 pump plays a specific role in its assembly on Caterpillar equipment, contributing to safe, dependable performance.
How do I install the 8J8809 pump?
Fitting the 8J8809 correctly comes down to clean surfaces and following the manual’s sequence. Work through these steps:
- Shut the machine down and isolate power before working on the assembly
- Clean the mating surfaces and inspect them for wear or damage
- Remove the old part and check the area for debris
- Fit the new 8J8809 in the correct orientation per your service manual
- Reassemble to specification and confirm correct operation before returning to service
Which Caterpillar machines is the 8J8809 compatible with?
Fitment for the 8J8809 depends on your specific Caterpillar model and the assembly it serves, so confirm the application before you order. Please reach out to Propel Parts for help verifying fitment.
Does the 8J8809 pump meet performance standards?
Yes. The 8J8809 is manufactured to meet OEM specifications for tolerance and material quality. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for dependable, long-term performance.
How often should the 8J8809 be replaced?
Plan to replace the 8J8809 during a rebuild of the surrounding components, or sooner if inspection shows it is past its serviceable limit. This part is commonly replaced alongside the 2S8960 Gasket, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 8J8809 pump?
When the 8J8809 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- Visible wear, cracking, or corrosion on inspection
- Reduced performance or reliability in the assembly
- Unusual noise, movement, or leaks near the part
- Premature wear on the components around it
Why is the 8J8809 pump important, and what related part is commonly replaced with it?
Replacing the 8J8809 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 7N8018 Water Seal is commonly serviced together with this part, so it is worth replacing both while access is available.
This 8J8809 Gear Pump is compatible with the following models:
D3B, D3C, D4C & more...

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.

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.

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.
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