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SKU:
NLT2T03481
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Fuel Priming Pump for Cat Challenger 65/75/85/95 Series Tractors
$65.79
In Stock
$65.79
Sale price
$65.79
Regular price
This hand fuel priming pump fits selected Caterpillar Challenger agricultural tractors in the 65, 75, 85 and 95 series using the matching fuel-filter and primer configuration. It helps refill the low-pressure fuel circuit after filter service or when air has entered the system.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
| Equipment | Compatible Applications |
|---|---|
| Caterpillar Challenger Tractors | 65, 65B, 65C, 65D, 65E |
| Caterpillar Challenger Tractors | 75, 75C, 75D, 75E |
| Caterpillar Challenger Tractors | 85C, 85D, 85E |
| Caterpillar Challenger Tractors | 95E |
| Additional Cat Challenger Applications | Selected 35, 45 and 70C configurations shown in Cat priming-pump application data |
Product Overview
A diesel engine can be difficult to restart after a fuel-filter change, an empty fuel system or service on the supply side because trapped air prevents the injection system from receiving a solid column of fuel. A hand priming pump gives the operator a simple way to draw fuel through the filter and supply circuit before cranking.
Caterpillar application data shows priming-pump service parts across the Challenger 65, 75, 85 and 95 tractor families, including 65B/65C/65D/65E, 75C/75D/75E, 85C/85D/85E and 95E models. Cat catalogs also show more than one priming-pump service number across these machines, including 569-4682 and 105-2508 in different configurations, so the original pump number and filter-head arrangement should be matched before ordering.
Key Features & Performance
- Manual fuel priming for the diesel low-pressure supply circuit
- Helps purge air after filter changes, fuel-system service or loss of prime
- Reduces unnecessary starter cranking when the supply side needs to be refilled
- Intended for selected Caterpillar Challenger agricultural tractor fuel-filter/primer arrangements
Part Numbers & Specifications
- Component: Hand fuel priming pump
- System: Diesel low-pressure fuel supply / primary filter area
- Catalog note: Caterpillar lists multiple priming-pump service numbers across these Challenger families, including 569-4682 and 105-2508 depending on configuration
Before You Order
Compare the part number on the original primer or filter-head assembly, the mounting/thread arrangement and your tractor model/serial configuration. Model family alone is not enough to distinguish every Cat priming-pump version used across these tractors.
Frequently Asked Questions
What does the hand primer do?
It manually moves fuel through the low-pressure side of the system so air can be displaced before the engine is cranked.
Why do I see different Cat part numbers for similar Challenger tractors?
Caterpillar used more than one priming-pump and filter-head configuration across these model families and production ranges. Matching the original service number is the safest way to confirm the correct pump.
When is a primer commonly used?
After replacing a fuel filter, opening a fuel line, running the machine out of fuel or diagnosing a supply-side loss of prime.