John Deere DZ115391 Filter Replacement RE551507 BF46156

Applications:

• JOHN DEERE  1010 G1110 G1110 G1210 G1510 G344 L344 L344 P4045/CB551 PowerTech PWS4045/CI550 PowerTech PSS4045/CI551 PowerTech4045/HB551 
• MANITOU  MHT 790-104 JD H ST4-S1MHT 790-104 JD H ST4-S1MLT 1040-145 PSJD ST4 S1MLT 1040-145 PSJD ST4 S1MLT 1040-145 PSLJD ST4 S1MLT 1040-145 PSLJD ST4 S1
• ROTTNE  F 10 DF 11 DF 11 DF 13 DF 13 DF 15 DF 15 DH 11 DH 11 DH 8 D
• SDMO  R 110 C 5R 165 C 5R 220 C 5

Professional John Deere DZ115391 Filter Replacement RE551507 BF46156

Q: Is it worth changing a diesel fuel filter?

Replacing the diesel filter is very worthwhile, and its necessity has been widely verified from multiple dimensions such as technology, economy, and engine life.
• Protect the core components of the engine: The diesel filter can effectively filter impurities, moisture, and particulate matter in the fuel, preventing wear or blockage of precision components such as fuel injectors, high-pressure common rail systems, piston rings, etc.
• Avoid decreased power and increased fuel consumption: A dirty and clogged filter can cause poor fuel supply, resulting in weak acceleration, difficulty climbing, and a 10% -20% increase in fuel consumption.

• Prevent high maintenance costs: Poor quality or long-term failure to replace the filter element may cause damage to the fuel injector, fuel pump, and even the engine. The maintenance cost can reach thousands to tens of thousands of yuan, far higher than the price of the filter element itself.
• Extend engine life: Regular replacement of filters is a basic maintenance that can significantly improve engine reliability and service life.

Q: How to tell if a diesel fuel filter needs replacing?

To determine whether the diesel filter needs to be replaced, a comprehensive judgment should be made based on the vehicle's operating status, appearance inspection, professional testing, and mileage. The following are the key criteria for judgment:

1、 Abnormal vehicle operation status

• Difficulty starting: It can only be started after multiple attempts to ignite the engine during cold start or hot start.
• Power reduction: slow acceleration, weak climbing ability, and a 10% to 15% decrease in maximum speed.
• Fuel consumption increase: Fuel consumption suddenly increases by more than 15% per 100 kilometers.
• Abnormal exhaust: emitting black smoke (incomplete combustion), white smoke (moisture entering), or blue smoke (oil participating in combustion).
• The fuel system malfunction light is on: indicating a clogged filter or abnormal fuel system pressure.

2、 Appearance inspection

The color of the filter element turns black: The surface is covered with black oil stains or appears reddish brown, indicating the adsorption of a large amount of impurities.
Corrosion or cracking of sealing ring: The metal shell has rust spots, and the rubber sealing ring is aged, deformed, or cracked.
Expansion or deformation of the shell: indicates that the filter element is saturated or the internal pressure is abnormal.

3、 Professional testing methods

• Fuel pressure test: Use a fuel pressure gauge. If the pressure remains low (below normal), it may be due to a clogged filter element.
Differential pressure detection: If the pressure difference between the inlet and outlet of the oil exceeds 0.15 bar or 300% of the initial value, it needs to be replaced.
• Diesel sample testing:
Particles>5 mg/L
Moisture content>0.05%
Gelatin>10 mg/100 mL
If it meets any standard, it is recommended to replace it.

4、 Reference mileage and usage environment

• Ordinary diesel vehicles: Replace every 10000 to 20000 kilometers.
• Heavy duty trucks: Replace every 8000-12000 kilometers.
• Special working conditions require a shortened cycle:
O Using non-standard diesel (reducing lifespan by 40%~60%)
O Low temperature in winter (prone to wax formation)
O Dusty and humid environment
O Long term parking (checked every 6 months)

Q: What does it cost to have a professional replace by the fuel filter?

The cost of replacing the fuel filter is usually between 100 and 1000 yuan, depending on various factors such as the vehicle model, filter type, repair location, and whether labor costs are included.

Type and cost of fuel filter

Fuel filters are divided into two types: internal and external, with significant differences in difficulty and cost of replacement:
External type: installed outside the fuel tank, easy to replace, low cost, generally between 15-50 US dollars, including accessories and labor.
Built in: integrated with the fuel pump in the fuel tank, replacement requires dismantling the fuel tank, the process is complex, and the cost is high, usually around $50-150, and may be higher for some high-end models.

The impact of maintenance location on price

4S dealership: using original parts and providing standardized service, but the price is relatively high, with a total cost generally ranging from $70 to $150, including labor costs and other testing services.
Regular repair shops/auto repair shops: The prices are affordable, with a total cost of about 45-75 US dollars, suitable for car owners with limited budgets, but it is necessary to choose a reputable shop to ensure quality.
Auto Parts City or E-commerce Platform: Filters can be purchased separately, with prices ranging from $10-30, but attention should be paid to identifying product quality and avoiding the use of inferior filter elements that may affect engine performance.

Differences between car models and brands

Ordinary family economy sedan: The price of the filter itself is about 15-30 US dollars, and the total cost of replacing it at the 4S store is about 75 US dollars.
Mid to high end car models (such as Volvo XC90, Mercedes Benz, Land Rover): Due to the precision of accessories and complex working hours, the cost may be close to or exceed $150.
Special vehicle models or imported cars: Parts are scarce and prices are higher. Some leaders can replace gasoline filters at 4S stores for over $75.