- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | FAI AutoParts |
| MPN | hg521 |
| Category | Seal, cylinder head |
| Thickness [mm] | 1.4 mm |
| Piston Protrusion from [mm] | 0.60 mm |
| Piston Protrusion to [mm] | 0.70 mm |
OE numbers (7)
Where this part fits
Original-fit position for OE 607420. The red ring marks where this part installs on the vehicle.
![GASKET,CYLINDER HEAD,1.4MM THICK (IDENT. 2 HOLES) (NLS.- NO REPLACEMENT PART) (PRODUCTION NO. 90410329) — Opel OMEGA-A ( 1987 - 1993) — E ENGINE AND CLUTCH › 8 23DTR[LP6],23YD[LW7],23YDT[LP6] DIESEL ENGINES](/_next/image?url=https%3A%2F%2Fcdn.carparts247.co.uk%2Fdiagrams%2Foem%2Fopel%2Fv87%2Ff1de476b92e26d4c%2F2.webp&w=3840&q=75)
About this product
The FAI AutoParts Seal, cylinder head (HG521) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Thickness [mm]: Steel, Copper mm, Notches/Holes Number: Aluminium, Gasket Design: Cast Iron, Piston Protrusion from [mm]: 0, 60 mm, Piston Protrusion to [mm]: 0, 70 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit OPEL, VAUXHALL models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 12803, 22803, 414520P, 414521P and 17 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FAI AutoParts 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (14)
Seal, cylinder head FAI AutoParts HG521 — compatible car models
| Car models | OPEL: FRONTERA A (U92), OMEGA A Estate (V87), OMEGA A (V87), REKORD E (17, 11, 14, 16, 18, 19), REKORD E Estate (61, 66, 67); VAUXHALL: CARLTON Mk II Estate, CARLTON Mk III Estate (V87), CARLTON Mk III Saloon (V87), CARLTON Mk II Saloon, FRONTERA Mk I (A) (U92) |
|---|---|
| Engines | 2.3 TD (5JMWL4); 2.3 D (F35, M35); 2.3 D (F19, M19, N19); 2.2 D; 2.3 D; 2.2 TD; 2.3 TD |
| Year of manufacture | 1977-1998 |
| Manufacturer article number (MPN) | HG521 |
| OE part numbers | 607418, 607420, 607425, 607428, 607444, 90194974, 90298173 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FAI AutoParts hg521 Seal, cylinder head. Gasket Design: 3. Notches/Holes Number: 2. Piston Protrusion from [mm]: 0,60 mm. Piston Protrusion to [mm]: 0,70 mm. Thickness [mm]: 1,4 mm
- 1x Seal, cylinder head
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 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 Seal, cylinder head compatible with my car?
This Seal, cylinder head fits OPEL, VAUXHALL 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 FAI AutoParts Seal, cylinder head have?
This FAI AutoParts Seal, cylinder head has the following specifications: Thickness [mm]: 1,4 mm; Notches/Holes Number: 2; Gasket Design: 3; Piston Protrusion from [mm]: 0,60 mm; Piston Protrusion to [mm]: 0,70 mm. 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: 607418, 607420, 607425, 607428, 607444, 90194974, 90298173. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal, cylinder head cost?
This FAI AutoParts Seal, cylinder head is available for £35.99. Seal, cylinder head prices vary depending on brand, specifications, and vehicle compatibility. FAI AutoParts 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 607418?
Yes, this FAI AutoParts Seal, cylinder head is a direct replacement for OE part number 607418. 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.
