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1770A012 Fuel Filter / Fuel Water Separator
| Technical Parameter | Specification Value |
|---|---|
| Product Style | Fuel Filter / Fuel Water Separator |
| Dimension 1 (D1) - Outer Diameter | 104.0 mm |
| Dimension 2 (D2) - Sealing Ring OD | 72.0 mm |
| Dimension 3 (D3) - Sealing Ring ID | 64.0 mm |
| Thread 1 (D7) | M20 x 1.5 |
| Thread 2 (D8) | M36 x 1.5 |
| Height 1 (H1) - Total Height | 112.0 mm |
| Height 2 (H2) | 5.0 mm |
| Filter Media Type | Multilayer Synthetic / Cellulose Blend |
| Filtration Efficiency | Beta (c) > 75 at 4 Micron (Industry Standard equivalent) |
| Manufacturer | Cross Reference Part Number |
|---|---|
| Mitsubishi | 1770A012 |
| Donaldson | P506011 |
| Fleetguard | FF5831 |
| Mann Filter | WK 9023 z |
| HiFi Filter | SN 25053 |
This component is engineered for light commercial and passenger utility vehicles equipped with 2.5L Turbo Diesel (TD) and Direct Injection Diesel (DI-D) powertrains.
Every 1770A012 fuel filter undergoes rigorous pressure-pulsation testing and structural integrity validation in accordance with ISO 19438 standards. The internal steel housing is coated with a corrosion-resistant layer to withstand high moisture environments. Leakage testing is performed on 100% of production batches to guarantee structural sealing under maximum fuel system operating pressures.
Q: How often should the 1770A012 fuel filter be replaced?
A: A diesel fuel filter should typically be replaced every 15,000 to 20,000 kilometers, or according to the vehicle manufacturer's service manual. In applications where vehicles encounter high dust levels or poor fuel quality, replacement intervals must be shortened to prevent fuel starvation.
Q: What are the symptoms of a clogged 1770A012 fuel filter?
A: The most common symptoms include hard starting, engine hesitation under acceleration, sudden loss of power when carrying heavy loads, and the illumination of the check engine or water-in-fuel dash warning light.
Q: What is the purpose of the M36x1.5 thread on the bottom of this filter?
A: The M36x1.5 thread located at the base of the filter housing is designed to accept the original equipment fuel water sensor or a manual drain valve. This allows accumulated water to be drained from the bowl without replacing the entire filter assembly.
Q: Can this filter be used interchangeably with Donaldson P506011 or Mann WK 9023 z?
A: Yes. The 1770A012 filter shares identical dimensions, threading specifications, and filtration performance with Donaldson P506011, Mann Filter WK 9023 z, Fleetguard FF5831, and HiFi Filter SN 25053, making them fully interchangeable.
Q: How do you ensure leak-free installation for this fuel filter?
A: Before installation, clean the filter mounting head thoroughly and apply a thin film of clean engine oil or diesel fuel to the rubber gasket. Thread the filter on until the seal makes contact with the base, then tighten an additional 3/4 to 1 full turn by hand. Do not overtighten with a tool.
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