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Details
| Specification | Value |
|---|---|
| Brand | Donaldson-AU |
| MPN | x770688 |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- VOLVO PENTA—21403762
- MTU—X57512100012
About this product
Donaldson-AU Filter Set (X770688) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. This part supersedes original equipment references: 21403762, 56023053, C3726822, KYX770688 and 2 more. Matching these numbers confirms a like-for-like replacement with no loss of function. Donaldson-AU 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (4)
Filter Set Donaldson-AU X770688 — compatible car models
| Manufacturer article number (MPN) | X770688 |
|---|---|
| OE part numbers | 21403762, X57512100012 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
Donaldson-AU x770688 . X770688
- 1x Filter Set
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Filter Set 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 Filter Set fits. All fitment data is verified through TecDoc.
What specifications does this Donaldson-AU Filter Set have?
The package includes the Filter Set as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this Filter Set replace?
This Filter Set replaces OE part numbers: 21403762, X57512100012. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Filter Set cost?
This Donaldson-AU Filter Set is available for £289.99. Filter Set prices vary depending on brand, specifications, and vehicle compatibility. Donaldson-AU parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Filter Set?
Regular inspection of your Filter Set is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Filter Set?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Filter Set fitted by a professional mechanic.
Can I use this part as a replacement for OE 21403762?
Yes, this Donaldson-AU Filter Set is a direct replacement for OE part number 21403762. 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.
