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Details
| Specification | Value |
|---|---|
| Brand | DONALDSON |
| MPN | p551807 |
| Category | Engine Oil Filter |
| Length [mm] | 262 mm |
| Thread Size | 1 1/8-16 UN |
| Outer Diameter [mm] | 108 mm |
| Inner Diameter 1 [mm] | 90 mm |
| Inner Diameter 2 [mm] | 99 mm |
OE numbers (8)
Where this part fits
Original-fit position for OE 478736.
About this product
Sourced from DONALDSON, this engine oil filter (P551807) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 262 mm, Thread Size: 1 1/8-16 UN, Outer Diameter [mm]: 108 mm, Filter type: Steel, Inner Diameter 1 [mm]: 90 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 20539275, 21707133, 21707136, 2191P551807 and 14 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DONALDSON is a recognised supplier of automotive filtration components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (10)
Engine Oil Filter DONALDSON P551807 — compatible car models
| Manufacturer article number (MPN) | P551807 |
|---|---|
| OE part numbers | 20539275, 21707133, 21707136, 2191P551807, 21939298, 478736, 485GB3236, 85114049 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DONALDSON p551807 Engine Oil Filter. Filter type: 1. Inner Diameter 1 [mm]: 90 mm. Inner Diameter 2 [mm]: 99 mm. Length [mm]: 262 mm. Outer Diameter [mm]: 108 mm. Thread Size: 1 1/8-16 UN
- 1x Engine Oil Filter
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Engine Oil Filter compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Engine Oil Filter fits. All fitment data is verified through TecDoc.
What specifications does this DONALDSON Engine Oil Filter have?
This DONALDSON Engine Oil Filter has the following specifications: Length [mm]: 262 mm; Thread Size: 1 1/8-16 UN; Outer Diameter [mm]: 108 mm; Filter type: 1; Inner Diameter 1 [mm]: 90 mm; Inner Diameter 2 [mm]: 99 mm. Check the full specifications table above for complete details.
What OE part numbers does this Engine Oil Filter replace?
This Engine Oil Filter replaces OE part numbers: 20539275, 21707133, 21707136, 2191P551807, 21939298, 478736, 485GB3236, 85114049. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Engine Oil Filter cost?
This DONALDSON Engine Oil Filter is available for £36.99. Engine Oil Filter prices vary depending on brand, specifications, and vehicle compatibility. DONALDSON parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Engine Oil Filter?
Oil filters should be replaced with every oil change, typically every 10,000-15,000 miles or annually. Signs of a failing oil filter include low oil pressure warning light, dirty exhaust smoke, or engine overheating.
What tools do I need to replace a Engine Oil Filter?
Tools needed: oil filter wrench (cap or strap type, sized to your filter), drain pan (5+ litre), 17mm drain plug socket, funnel, fresh engine oil, new drain plug washer. Difficulty: Easy DIY. Safety warning: Allow the engine to cool for at least 30 minutes before draining -- hot oil causes serious burns.
Can I use this part as a replacement for OE 20539275?
Yes, this DONALDSON Engine Oil Filter is a direct replacement for OE part number 20539275. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
