Fuel Filter 509-5694 for Caterpillar NEXTGEN Excavators & Wheel Loaders

Description

This 509-5694 fuel filter is a secondary fuel filter element engineered as a direct replacement for the Caterpillar 509-5694, used across CAT’s current-generation NEXTGEN excavator lineup and G-series wheel loaders. It’s a flange-mount cartridge element designed to be installed inside a reusable filter head assembly, protecting fuel injectors from fine particulate contamination.

Product Overview

The 509-5694 fuel filter uses filter media designed to capture fine particulate contamination from diesel fuel before it reaches the fuel injection system, supporting the high-pressure common rail fuel systems used on CAT’s C4.4 and C7.1 engine platforms. As a flange-type cartridge element, it installs into a permanent filter head rather than threading on and off directly. Each unit is dimensionally verified against OEM measurements and tested for filtration performance before shipment — not just matched by part number.

Fits the Following Caterpillar Models & Engines

Always confirm your machine’s serial number range against the OEM cross-reference before ordering, as fuel system filtration specifications can vary across production years within the same model.

OEM Cross-Reference Numbers

This part number is Caterpillar-specific and does not currently show widely published third-party cross-reference numbers (Baldwin, Donaldson, Fleetguard, etc.) in public filter databases, reflecting its status as a newer part number for CAT’s current-generation equipment platforms.

Key Features

• Fine particulate filtration, supporting high-pressure common rail fuel systems on C4.4/C7.1 engine platforms
• Flange-mount cartridge design, built to install into a reusable filter head assembly
• Dimensionally verified against OEM specifications, not just cross-reference number matching
• Consistent batch quality control, with raw material and pre-shipment testing on every production run
• Broad application coverage, spanning CAT’s current-generation NEXTGEN excavators and G-series wheel loaders

Specifications (Publicly Referenced Dimensions)

Dimensions below are compiled from publicly available cross-reference filter databases, including Fuel Filter Cross Reference, and were consistent across multiple independent sources. Please verify against your machine’s actual filter housing or OEM documentation before bulk ordering.

Why Source This Fuel Filter from IXIN Filter

We manufacture this 509-5694 fuel filter in our own production facility, with quality control checkpoints from raw material inspection through final pre-shipment testing. If you’re sourcing for a distribution business or fleet, we can provide:

• Sample units for independent testing before a bulk order
• Documentation on OEM cross-reference verification
• Flexible MOQ and private-label packaging options
• Consistent batch-to-batch quality for repeat orders

Frequently Asked Questions

Is this a spin-on filter or a cartridge element? This is a flange-mount cartridge element, designed to install into a reusable filter head rather than screw on and off directly like a spin-on filter.

What excavators use the 509-5694 fuel filter? It’s used across CAT’s current-generation NEXTGEN excavator lineup (320GC NEXTGEN, 325 NEXTGEN, M320 NEXTGEN) as well as the 320, 322, 323, 326, 330GC, and 340 excavators, plus the 926-962 wheel loader range.

Will this fit all the models listed? It fits the equipment listed above, but fuel system configurations can vary by production year and serial number range. We recommend confirming your machine’s specific configuration before ordering, especially for bulk purchases.

Do you offer samples before a bulk order? Yes. We recommend requesting a sample for independent testing before committing to a bulk order, especially for first-time buyers.

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Ready to order or request a sample? Contact IXIN Filter for pricing, MOQ, and lead time on the 509-5694 fuel filter.