Diesel Engine Fuel Filter 1R-0750 for Chevy/GMC Duramax 2001-2016 LB7/LML/LMM
1R-0750 fuel filter for Chevy/GMC Duramax LB7, LML, LMM (adapter required). OEM cross-reference verified. Bulk and OEM orders from IXIN Filter.
Description
This 1R-0750 fuel filter is a high-efficiency Caterpillar spin-on fuel filter widely used in the Duramax diesel community as an upgrade over the factory fuel filter, thanks to its finer filtration rating and durable one-piece can construction. It’s designed as a direct replacement for the Caterpillar 1R-0750 and matches the specifications used in popular Duramax fuel filter adapter conversions.
Important: Adapter Required for Duramax Applications
The 1R-0750 is a genuine Caterpillar filter thread and housing design — it is not a direct bolt-on replacement for the factory Duramax fuel filter housing. To use this filter on a 2001-2016 Chevy/GMC Duramax (LB7, LML, or LMM), a compatible fuel filter housing adapter is required. This filter is commonly paired with aftermarket CAT filter adapter kits used throughout the Duramax community. Please confirm your adapter setup before ordering.
Product Overview
The 1R-0750 fuel filter uses cellulose filter media rated for advanced filtration efficiency, commonly cited around the 2-3 micron range — noticeably finer than the factory Duramax filter rating. This makes it a popular upgrade choice for owners looking to improve fuel system protection without switching to a full aftermarket lift pump and filtration system. Each unit is dimensionally verified against OEM specifications and tested for filtration performance before shipment.
Common Applications
| Category | Application |
|---|---|
| Duramax (with adapter) | 2001-2016 Chevy/GMC Duramax 6.6L — LB7, LML, LMM engines |
| Caterpillar Equipment | CAT D4E, D6H LGP, 14H, and related applications using the 1R-0750 filter housing |
| Aftermarket Housings | Compatible with common 1-14 UN spin-on filter mounts and CAT filter adapter kits |
Fuel filter adapter compatibility varies by kit brand and model year. Always confirm your specific adapter and engine configuration before ordering, especially for bulk purchases.
OEM Cross-Reference Numbers
| Brand | Number |
|---|---|
| Caterpillar | 1R-0750, 1R0750 |
| Donaldson | P551313 |
| Baldwin | BF7633 |
| Fleetguard | FF5320 |
| WIX | 33528 |
Key Features
- Fine particulate filtration, commonly cited in the 2-3 micron range — finer than typical factory Duramax filter ratings
- Durable one-piece can construction with a non-metallic center tube
- Standard 1-14 UN spin-on thread, compatible with common CAT filter adapter kits
- 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
Specifications (Publicly Referenced Dimensions)
Dimensions below are compiled from publicly available cross-reference filter databases, including Fuel Filter Cross Reference, and are provided as a reference guide. Please verify against your actual filter housing or adapter kit documentation before bulk ordering.
| Spec | Detail |
|---|---|
| Height | Approx. 190 mm (7.5 in) |
| Outer Diameter | Approx. 86 mm (3.38 in) |
| Thread | 1-14 UN |
| Filter Type | Spin-on fuel filter |
| Filter Media | Advanced-efficiency cellulose, approx. 2-3 micron rating |
| Application | Caterpillar equipment; Duramax conversions with compatible adapter |
| Packaging Options | Standard retail box, bulk carton, or private-label packaging available |
Why Source This Fuel Filter from IXIN Filter
We manufacture this 1R-0750 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, off-road parts retailer, 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
Can I install this directly on my Duramax without any modifications? No. The 1R-0750 requires a compatible fuel filter housing adapter to be used on a Chevy/GMC Duramax. It is not a direct bolt-on replacement for the factory Duramax fuel filter.
Does this filter include water separation? No. The 1R-0750 is a fuel filter, not a water-separating filter. Many Duramax owners use it alongside a separate water separator or lift pump system for added protection.
What micron rating does this filter offer? It’s commonly rated in the 2-3 micron range for advanced filtration efficiency, which is finer than many factory diesel fuel filters.
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 or distributors serving the diesel aftermarket segment.
Ready to order or request a sample? Contact IXIN Filter for pricing, MOQ, and lead time on the 1R-0750 fuel filter.
