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Details
| Specification | Value |
|---|---|
| Brand | BGA |
| MPN | ch6342 |
| Category | Seal, cylinder head |
| Thickness [mm] | 1.5 mm |
| Diameter [mm] | 90 mm |
| Length [mm] | 495 mm |
| Width [mm] | 155 mm |
OE/OEM numbers (17)
Search by this OE number to find compatible parts
- BMW—11121257990
- BMW—11121262810
- BMW—11121265406
- BMW—11121265420
- BMW—11121268818
- BMW—11121268849
- BMW—11121278300
- BMW—11121287933
- BMW—11121289933
- BMW—11121727914
- BMW—11121734213
- BMW—11121734279
Where this part fits
Original-fit position for OE 11121734213. The red ring marks where this part installs on the vehicle.
About this product
Sourced from BGA, this seal, cylinder head (CH6342) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Thickness [mm]: Steel, Rubber mm, Diameter [mm]: 90 mm, Length [mm]: 495 mm, Width [mm]: 155 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit BMW 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: 01089, 10009100, 11121257990, 11121262810 and 30 more. Matching these numbers confirms a like-for-like replacement with no loss of function. BGA 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 (17)
Seal, cylinder head BGA CH6342 — compatible car models
| Car models | BMW: 1500-2000 (115, 116, 118, 121), 1502-2002 Convertible (E10), 1502-2002 (E10), 1502-2002 Touring (E6), 2000 Coupe (120), 3 Convertible (E30), 3 (E21), 3 (E30), 5 (E12), 5 (E28) |
|---|---|
| Engines | 1800; 2002; 1802; C/CA; 318 Baur TC; 316; 518 |
| Year of manufacture | 1962-1993 |
| Manufacturer article number (MPN) | CH6342 |
| OE part numbers | 11121257990, 11121262810, 11121265406, 11121265420, 11121268818, 11121268849, 11121278300, 11121287933, 11121289933, 11121727914, 11121734213, 11121734279, 1705527, 1727914, 1734213, 1734277, 1734279 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
BGA ch6342 Seal, cylinder head. Diameter [mm]: 90 mm. Length [mm]: 495 mm. Thickness [mm]: 1,5 mm. Width [mm]: 155 mm
- 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 BMW 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 BGA Seal, cylinder head have?
This BGA Seal, cylinder head has the following specifications: Thickness [mm]: 1,5 mm; Diameter [mm]: 90 mm; Length [mm]: 495 mm; Width [mm]: 155 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: 11121257990, 11121262810, 11121265406, 11121265420, 11121268818, 11121268849, 11121278300, 11121287933 and 9 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal, cylinder head cost?
This BGA Seal, cylinder head is available for £10.99. Seal, cylinder head prices vary depending on brand, specifications, and vehicle compatibility. BGA 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 11121257990?
Yes, this BGA Seal, cylinder head is a direct replacement for OE part number 11121257990. 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.
