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Details
| Specification | Value |
|---|---|
| Brand | WABCO |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- HINO—445401941
- HINO—S445401941
About this product
When relay valve performance matters, the WABCO 1540320002 delivers — built to the same dimensional and material standards as the original part it replaces. This part supersedes original equipment references: 445401941, S445401941. Matching these numbers confirms a like-for-like replacement with no loss of function. WABCO is a recognised supplier of automotive replacement 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.No equivalent parts found.
Relay Valve WABCO 1540320002 — compatible car models
| Manufacturer article number (MPN) | 1540320002 |
|---|---|
| OE part numbers | 445401941, S445401941 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
WABCO 1540320002
- 1x Relay Valve
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 Relay Valve 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 Relay Valve fits. All fitment data is verified through TecDoc.
What specifications does this WABCO Relay Valve have?
The package includes the Relay Valve 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 Relay Valve replace?
This Relay Valve replaces OE part numbers: 445401941, S445401941. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Relay Valve cost?
Relay Valve prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this WABCO Relay Valve. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Relay Valve?
Regular inspection of your Relay Valve 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 Relay Valve?
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 Relay Valve fitted by a professional mechanic.
Can I use this part as a replacement for OE 445401941?
Yes, this WABCO Relay Valve is a direct replacement for OE part number 445401941. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the WABCO 1540320002 the same as the WABCO 4730170007?
No, while both are Relay Valve parts, they are different products. The WABCO 1540320002 has specific dimensions, material composition, and fitting requirements. The WABCO 4730170007 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
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