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Details
| Specification | Value |
|---|---|
| Brand | PAYEN |
| MPN | bn450 |
| Category | Seal, cylinder head |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- HONDA—12251PH4003
About this product
When seal, cylinder head performance matters, the PAYEN BN450 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Gasket Design: Rubber. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with HONDA vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 0031515, 0375-9004, 10086200, 12251PH4003 and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. PAYEN 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
Equivalent products (12)
Seal, cylinder head PAYEN BN450 — compatible car models
| Car models | HONDA: ACCORD III Aerodeck (CA), ACCORD III (CA), ACCORD III Coupe, PRELUDE II (AB) |
|---|---|
| Engines | 2.0; 2.0 12V; 2.0 i (BA) |
| Year of manufacture | 1983-1989 |
| Manufacturer article number (MPN) | BN450 |
| OE part numbers | 12251PH4003 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
PAYEN bn450 Seal, cylinder head. Gasket Design: 5
- 1x Seal, cylinder head
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 Seal, cylinder head compatible with my car?
This Seal, cylinder head fits HONDA vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this PAYEN Seal, cylinder head have?
This PAYEN Seal, cylinder head has the following specifications: Gasket Design: 5. Check the full specifications table above for complete details.
What OE part numbers does this Seal, cylinder head replace?
This Seal, cylinder head replaces OE part numbers: 12251PH4003. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal, cylinder head cost?
This PAYEN Seal, cylinder head is available for £28.99. Seal, cylinder head prices vary depending on brand, specifications, and vehicle compatibility. PAYEN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Seal, cylinder head?
Regular inspection of your Seal, cylinder head 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 Seal, cylinder head?
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 Seal, cylinder head fitted by a professional mechanic.
Can I use this part as a replacement for OE 12251PH4003?
Yes, this PAYEN Seal, cylinder head is a direct replacement for OE part number 12251PH4003. 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 PAYEN BN450 the same as the PAYEN AA5020?
No, while both are Seal, cylinder head parts, they are different products. The PAYEN BN450 has Gasket Design: 5. The PAYEN AA5020 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.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
