What does P551807 fits?

ALBARET  TT 1600TT 1610/P
ATLAS COPCO  ROC D 7ROC D 7 C SILENT/SMARTRIGROC D 7 RRCROC D 9ROC D 9 C SILENT/SMARTRIGROC D 9 RRCXATS 376 CD
BAUER MASCHINEN  BG 18
CAMECO  345SP 1800
CATERPILLAR  120 G120 H120 HK12 G12 H140 G140 H14 GR14 H213 B/BLC214 B215215 BE 200 BE 200 BE 240E 240 BE 300E 300E 300 BEL 200 BEL 240EL 240 BEL 300EL 300EL 300 BGRPE ELECT 3306IT 28 GIT 38 FPS 500R 1300R 1300 GTK 370
CHALLENGER  354555

CLAAS  CHALLENGER 35CHALLENGER 45LEXION 410LEXION 420LEXION 430LEXION 430 MONTANALEXION 540LEXION 540 C
COMPAIR-HOLMAN  155-12170-9170 S380-170400-170 S750-170750-300 SC 750-170 SZ 113Z 156Z 169Z 184Z 197Z 212Z 241Z 253
DONGFENG  DFL 3310 A9DFL 4250 A
FOTON  FL 958 G

Precision Volvo Penta Oil Filter Cross Reference P551807 P550519 B7225 B76-SS H200W04

Q: What is the difference between CAT 1R-1807 and Donaldson P551807?

CAT 1R-1807 and Donaldson P551807 are two commonly used oil filters for construction machinery, such as Caterpillar excavators and engines. They have high compatibility in terms of functionality, but there are differences in brand, design details, and applicable scenarios.

Core difference

• Different brands and sources
CAT 1R-1807 is an original oil filter produced by Caterpillar, specifically designed for Caterpillar engines and equipment.
Donaldson P551807 is an aftermarket oil filter produced by Donaldson Corporation in the United States, used to replace various original filters including CAT 1R-1807.
• Consistent adaptation to different models
Both are applicable to the following Caterpillar equipment:
Excavators: 325D, 329D, 320D, 324D, etc
Engine: C7, C9, C15, C18 and other series 210

• Filtering performance and materials
CAT 1R-1807: Using Caterpillar's original factory standard filter material, the filtration accuracy and structure have been verified through whole machine matching, emphasizing collaborative optimization with Caterpillar engines.
Donaldson P551807: Public information refers to it as a "stainless steel filter" that uses higher strength filter materials or structures.
• Certification and Interchangeability
Donaldson P551807 has been labeled as "compatible with CAT 1R-1807" in multiple channels, indicating its design as a direct substitute.
The Carter official did not explicitly state that P551807 is a recommended replacement, and it is recommended to prioritize the use of original parts to ensure warranty and long-term reliability.

Summary suggestions

If pursuing original factory matching, warranty protection, and long-term stability, it is recommended to use CAT 1R-1807.
If cost control is important and the equipment has exceeded its warranty period, Donaldson P551807 can be considered, but supplier qualifications need to be confirmed to avoid counterfeit products.
⚠️ Attention: Although the two are often labeled as "interchangeable", there may be differences in actual installation dimensions, seal ring specifications, bypass valve opening pressure, and other details. It is recommended to check the equipment manual or consult professional maintenance personnel before replacement.

Q: How to know if an oil filter is compatible?

To determine whether the oil filter is compatible, a comprehensive evaluation should be multiple dimensions such as vehicle compatibility, physical structure, filtration performance, and installation reliability. The following are the key judgment methods:

1、 Confirm the compatibility of the vehicle model
• Refer to the owner's manual: The manual will clearly indicate the original or recommended oil filter model, which is the most authoritative basis.
• Use Vehicle Identification Number (VIN) query: Enter the VIN through the brand's official website or professional parts platform to accurately obtain the compatible model.
• Consulting professional institutions: Contact 4S stores, repair shops, or brand dealers to provide vehicle information and obtain recommended models.

2、 Verify physical and structural parameters
Even if the appearance is similar, filters from different car models may not be interchangeable due to the following differences:
• Interface thread specifications (such as M20 × 1.5, 16 × 1.5, etc.)
• Filter height and diameter
• Central hole position and sealing surface design
• Does the valve type (check valve, bypass valve) match the requirements of the engine lubrication system
⚠️ Note: Filters are usually not interchangeable for vehicles of the same displacement but different brands, or for vehicles of the same brand but different years.

3、 Check the filtering performance and material

• Filtering accuracy: It is recommended to use 20-40 microns for regular gasoline vehicles; Turbocharged engines are recommended to be 5-20 microns.
• Filter paper quality: High quality filter paper has tight fibers and a wide temperature resistance range (0-300 ℃), ensuring effective filtration even at high temperatures.
• Structural type matching: Confirm whether it is full flow (mainstream) or split flow to avoid incorrect installation.

4、 Verify installation and sealing
• The rubber sealing ring should be soft and elastic, without cracks or burrs.
• The shell thickness is sufficient, the welding points are neat, and it can withstand oil pressure.
• After installation, there is no oil leakage, and the oil pressure is stable after starting.

5、 Practical advice
• Prioritize choosing original or OE certified accessories to ensure compatibility.
• Don't judge solely based on appearance or price, even if it looks like it can be installed, it may lead to oil leakage or poor lubrication.
• When replacing, you can refer to the manufacturer's part number on the old filter for comparison.

In summary, oil filters do not have universal applicability and must be strictly selected according to the vehicle model, engine, and technical parameters to adapt to the product.

Q: Can I use a different oil filter if it fits?

It is not recommended to use another oil filter casually unless it is confirmed to be fully compatible with the original model.
Oil filters usually do not have universality. Even if they have similar appearances or the same displacement, filters from different car models, brands, or even engine models of the same brand may have key differences in size, interface, thread specifications, filtration area, etc.
Forcefully installing mismatched filters may result in:
Poor sealing leads to oil leakage;
Insufficient filtration efficiency leads to increased engine wear and tear;
Even causing interruption of oil supply, leading to serious mechanical failures.
The only exception: Oil filters may be interchangeable between vehicles of the same series and engine model, but specific part numbers still need to be verified or professional technicians consulted.

Q: Does the P551807 have an anti-drain-back valve?

Yes, it does have.