Fuel Filter 1R-0749 1R0749 Replacement For Caterpillar Diesel Engines
1. Product: Fuel Filter
2. Reference: 1R-0749
3. Filter Type: Secondary Fuel Filter
4. Design: Spin-On
5. Application: Caterpillar Diesel Engines
6. Supply: Wholesale / Export / OEM Service
7. Delivery time: 3–5 days from stock
8. Payment: TT, paypal, Western Union
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
The 1R-0749 fuel filter is designed as a secondary filtration element to help control fuel contamination and support stable fuel delivery. The filter structure combines filtration media, sealing components and a durable housing design to maintain performance during continuous equipment operation.
Designed as an aftermarket replacement solution, this filter helps remove contaminants from diesel fuel before fuel reaches sensitive engine components such as injectors and fuel system parts.
Technical Specifications
| Parameter | Specification |
|---|---|
| Filter Type | Secondary Fuel Filter |
| Installation Type | Spin-On |
| Thread Size | 1-14 UN |
| Outer Diameter | Approx. 93.5 mm |
| Overall Height | Approx. 240-267 mm |
| Flow Direction | Outside to Inside |
| Application | Diesel Fuel System |
OEM Number & Cross Reference
| Brand | Part Number |
|---|---|
| Caterpillar | 1R-0749 / 1R0749 |
| Fleetguard | FF5319 |
| Donaldson | P551311 |
| Baldwin | BF7587 |
| Wix | 33674 |
| Fram | P8335 |
| Luber-Finer | LFF2749 |
Application & Compatibility
The 1R-0749 Fuel Filter is used in Caterpillar diesel engine and equipment applications, providing a replacement filtration solution for heavy-duty operating environments.
It is commonly found in applications such as Caterpillar trucks, construction machinery, industrial diesel equipment and generator systems.
This filter can be used with various Caterpillar engine families, including 3176, 3406, C10, C11, C12, C13, C15, C16 and C18 series. Final fitment should be confirmed according to the specific engine model, configuration and serial number before replacement.
Common Problems & Solutions
Incorrect Filter Matching
A filter may appear similar but have different thread sizes, dimensions or internal structures.
Before ordering, compare the original part number and technical specifications to confirm compatibility.
Reduced Engine Performance
A restricted fuel filter may affect fuel supply efficiency.
Regular inspection and replacement according to equipment maintenance requirements help maintain stable engine operation.
Fuel Contamination Problems
Poor fuel quality can increase filter loading.
Using suitable filtration products and maintaining clean fuel storage practices can reduce contamination risks.
FAQ
Q: Is 1R-0749 the same as 1R0749?
A: Yes. They refer to the same Caterpillar part number format.
Q: What filters replace Caterpillar 1R-0749?
A: Common replacement references include FF5319, P551311, BF7587 and 33674. Toromont Cat
Q: Is 1R-0749 a primary or secondary fuel filter?
A: The 1R-0749 is generally identified as a secondary fuel filter.
Q: How do I confirm if this filter fits my machine?
A: Provide the original filter number, engine model or equipment serial information for confirmation.
Q: Can Onode supply other Caterpillar replacement filters?
A: Yes. Onode supplies fuel filters, oil filters, air filters and hydraulic filters for truck and construction equipment applications.
Why Choose ONODE?
Professional Manufacturing
19+ years of experience in supply chain & manufacturing.
8000+ spare parts for European & Chinese trucks, plus engineering machinery.
Global Supply & Customization
Supported by 3 family-owned factories and 50+ cooperated factories.
OEM/ODM customization, flexible sourcing, and professional after-sales support.
19+
Years Experience
8000+
Spare Parts
12+
Production Lines
100,000+㎡
Facility Area
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Phone Number
Laifeng@onodetruckparts.com
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