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Oil Filter LF3546
The Oil Filter LF3546 is a heavy-duty spin-on lubrication element built to withstand high-flow structural demands in commercial logistics and heavy earthmoving applications. Serving as a premium aftermarket match for fleet standards like Fleetguard LF3546, Donaldson P551257, and HiFi T 6745, this filter guarantees perfect cross-referencing alignment with original Isuzu parts (1132400482, 1132401610). It provides continuous contamination defenses for high-load power platforms, including Isuzu 6BD1T and 6BG1T engines, Case loaders, and JCB excavators, protecting overhead valve trains and crankshaft bearings from friction wear.
| Industrial Engineering Parameter | Metric / Imperial Certified Value |
|---|---|
| Component Classification | Heavy-Duty Spin-On Oil Filter |
| Primary Mounting Thread Profile | M20 x 1.5 - 6H INT |
| Total Outer Housing Diameter (D1) | 112.0 mm (4.24 inches Largest OD) |
| Outer Gasket Seal Diameter (D2) | 109.0 mm (3.95 inches Gasket OD) |
| Inner Gasket Seal Diameter (D3) | 102.0 mm (3.56 inches Gasket ID) |
| Total Component Length (H1) | 170.0 mm (6.59 inches Total Length) |
| Canister Casing Height (H2) | 167.0 mm (167.39 mm Profile) |
| Internal Media Clearance Base (H3) | 6.0 mm |
| Certified Rated Media Flow | 12,945.80 gpm / 49,000.00 L/min |
| Internal Pressure Bypass Valve | No Valve Integrated |
| Manufacturer / Equipment Brand | Interchange Part Number |
|---|---|
| Fleetguard | LF3546 |
| Donaldson | P551257 |
| HiFi Filter | T 6745 |
| Isuzu OE References | X13202012 / 1132400482 / 132401230 / 132401610 / X13201012 |
| Isuzu Extended OEs | 1132401612 / 1132401611 / 1132401610 / 1132401230 / 1132400590 / 1132400481 / 11132401610 |
| Link-Belt | KNH0403 / 3H1756 |
| Sumitomo | KBP0723 |
| JCB Parts | 2800002 / 8000002 |
| Micro | T6745 |
The Oil Filter LF3546 provides precise dimensional clearance, exact thread pitch alignment, and high-pressure fluid containment for the following utility vehicles, material handlers, and heavy industrial machinery:
Isuzu FSD / FSS / FSR / FRG Series: P-FSD12 (1988), P-FSS12 4WD (1986), P-FRS12 (1985), P-FRD12 (1985), P-FRD11 (1985), P-FRR11 (1985), P-FSR11 (1985), P-FTR11 (1985), P-FSR12 (1985), P-NRR12 (1985), P-FRS12 4WD (1984), P-FRG11 (1984), P-FRR12 (1984), P-FRR11 (1984), P-FRD12 (1984).
Isuzu Specialized Powertrains: 6BD1, 6BD1T, 6BG1, 6BG1T, 6SA1, 4BD1T, ETR 12.
Hitachi Construction Machinery: LX170E (6BG1 Engine, 2006), LX170 (2004), LX145E (6BG1 Engine, 2004), EX100WD-3 (4BD1T).
Case IH Earthmovers: CX 160.
Sumitomo & Link-Belt Systems: Sumitomo LS 2800, Link-Belt LS3400FB (Isuzu Engine).
Furukawa Crawler Drills: HCR 12, HCR 12 D/ED, HCR 15 ED, UCR 15.
Kawasaki Wheel Loaders: 70 Z IV, 70 Z IV-2.
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