What does A0004770103 fit?

KOHLER  KD 27V12-5CESKD 27V12-5CFSKD 27V20-5CESKD 36V16-5AEP
LIEBHERR  A 309 LITRONICA 309 LITRONICA 311 LITRONICA 311 LITRONICA 312 LITRONICA 312 LITRONICA 314 LITRONICA 316 LITRONICA 316 LITRONICR 313 LITRONICR 317 LITRONIC
LIFTER PRAMAC  GRW 115 PGRW 165 PGRW 280 VGSW 165 VGSW 275 DGSW 275 V
MAGNI  HTH 16.10HTH 16.10HTH 35.1.12RTH 5.30RTH 5.30RTH 6.30RTH 6.30RTH 6.30RTH 6.35
MAN  36.604 DF
MANITOU  MHT 10120 LTMHT 10120 LTMHT 10225 LMHT 7140 TURBOMHT 7140 2550MRT 2550MRT 2550 PRIVILEGE PLUS ST4 S2MRT 2550 PRIVILEGE PLUS ST4 S2MRT 2640 PRIVILEGE PLUS ST4 S2MRT 3050 PRIVILEGE PLUS ST4 S2MRT 3255 PLUSMRT 3255 PLUS ST4 S2
MERCEDES  ACTROS 1831ACTROS 1831 AKACTROS 1831 KACTROS 1831 LACTROS 1848 LACTROS 1848 LSACTROS 1848 SACTROS 1848 S/LSACTROS 1850 AKACTROS 1853ACTROS 1853 S/LSACTROS 1855 LACTROS 1855 LS BLUETEC

Professional Mercedes Benz A0004770103 A0004771302 BF46018-O Filter Replacement

Q: How often should a Mercedes fuel filter be changed like A0004770103?

We judge replacement cycles based on three key factors:

• Vehicle operating environment
• Fuel quality
• Filter type

Basic Replacement Guidelines

• ‌External fuel filters‌: Replace every 20,000–30,000 km or 1 year.
• ‌Built-in fuel filters‌: Replace every 40,000–80,000 km.

Adverse Conditions Adjustments

Dusty, muddy roads or low-quality fuel change the rules:

• Shorten external filter cycles to 10,000–20,000 km.
• Inspect built-in filters at around 40,000 km.

Mercedes-Benz Official Maintenance

Mercedes-Benz provides clear maintenance plans for all models.
Many models include filter checks in 20,000 km/year routine services.
Technicians often replace all three filters together:

• Air filter
• Oil filter
• Fuel filter

Q: Can a bad fuel filter cause stuttering?

Yes, Bad fuel filters can indeed cause unstable engine operation, mainly due to the following reasons:
• Poor filtering effect: Poor quality filters cannot effectively remove impurities from the fuel, causing impurities to enter the fuel system, block fuel injectors or supply lines, affect fuel injection accuracy, cause insufficient combustion, and lead to engine shaking, discontinuous power output, and other problems.
• Unstable fuel supply pressure: Poor quality filters may cause low or high oil pressure. Low oil pressure can cause difficulty in starting the engine and insufficient power; If the oil pressure is too high, it will cause incomplete fuel combustion, increase fuel consumption, and may damage the three-way catalyst and oxygen sensor.

• Filter cartridge detachment and blockage of oil circuit: Some inferior products have filter cartridges that are not resistant to gasoline corrosion and may detach fragments during use. In severe cases, they can completely block the oil circuit, causing the engine to fail to start or break down while driving.
• Discontinuous fuel supply: When the filter is clogged, the low-pressure fuel supply is interrupted, causing fluctuations in engine speed, especially during idle or low-speed driving.

In summary, using inferior fuel filters not only affects the stability of engine operation, but may also cause chain damage to key components such as fuel injection systems and three-way catalytic converters. It is recommended to replace it regularly (usually every 30000 to 50000 kilometers) and choose high-quality filters that meet the original factory standards

Q: Where is the fuel filter on a Mercedes trucks?

The fuel filter location in Mercedes-Benz Trucks differs from that in conventional passenger cars, primarily depending on the specific model (such as Atego, Actros, Antos, etc.) and the type of fuel used (diesel or gasoline).

Common installation locations
• Inside the fuel tank (integrated type): Some Mercedes-Benz trucks integrate the fuel filter and fuel pump, which are installed inside the fuel tank, a design commonly seen in newer models.
• Fuel line connection (external type): Most Mercedes-Benz trucks use an external fuel filter, typically located in the chassis area directly in front of the fuel tank. It can be easily accessed along the fuel supply line, facilitating routine maintenance and replacement.
• Near the engine compartment (less common): In a few vehicle models, the filter may be installed in the engine compartment, close to the fuel distribution pipe or high-pressure pump location, but this is relatively rare in trucks.

Search suggestions
1. Confirm the vehicle model and fuel type: Mercedes-Benz trucks are mostly diesel-powered, and the diesel filter is typically located in the chassis area directly in front of the fuel tank, near the fuel return line 36.
2. Trace along the fuel supply pipeline: Starting from the engine fuel injector or high-pressure pump, follow the fuel supply line toward the fuel tank. External filters are typically cylindrical metal tank-like components installed between the pipeline sections.