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Details
| Specification | Value |
|---|---|
| Brand | CORTECO |
| Fitting Position | Exhaust Side |
| Fitting Position | Intake Side |
| Height 1 [mm] | 8 mm |
| Outer Diameter 1 [mm] | 7.8 mm |
| Outer Diameter 2 [mm] | 11 mm |
| Inner Diameter 1 [mm] | 5 mm |
| Inner Diameter 2 [mm] | 7 mm |
OE/OEM numbers (6)
Where this part fits
Original-fit position for OE 1535535. The red ring marks where this part installs on the vehicle.
About this product
Sourced from CORTECO, this seal ring valve stem (12051827) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Fitting Position: AS, Fitting Position: ES, Height 1 [mm]: Carbon mm, Material: 30, Outer Diameter 1 [mm]: Ceramic, Carbon mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit FIAT, FORD, LANCIA, MERCEDES-BENZ and 7 other makes 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: 12012700, 123351202, 12-34223-01, 12-34223-02 and 17 more. Matching these numbers confirms a like-for-like replacement with no loss of function. CORTECO 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.
About CORTECO
Corteco, part of the Freudenberg Group founded in 1849 in Weinheim, Germany, is a specialist manufacturer of sealing and vibration control components. Corteco specialises in oil seals, gaskets, engine mounts, transmission mounts, and shaft seals for all vehicle systems. As an OE supplier through Freudenberg's partnerships with major car manufacturers, Corteco components maintain the same quality standards as original parts. With Freudenberg's 170+ years of materials science expertise, Corteco delivers precision-engineered sealing and damping solutions trusted in millions of vehicles worldwide.
Suitable cars
Equivalent products (17)
Seal Ring Valve Stem CORTECO 12051827 — compatible car models
| Car models | FIAT: 500 (312), 500 C (312), DOBLO Box Body/MPV (223), DOBLO MPV (119, 223), GRANDE PUNTO (199), GRANDE PUNTO Van (199), IDEA (350), LINEA (323, 110), PALIO (178, 171, 371), PANDA (169) (+11 more); FORD: KA (RU8); LANCIA: MUSA (350), YPSILON (312), YPSILON (843); MERCEDES-BENZ: C-CLASS Coupe (CL203); MITSUBISHI: COLT VI (Z3A, Z2A), SPACE STAR MPV (DGA); NISSAN: PICK UP (D22); OPEL: AGILA A (H00) |
|---|---|
| Engines | 1.2 (312AXA1A); 1.2 (312CXA1A, 312AXA1A); 1.2 (223ZXA1A); 1.2 (223AXA1A); 1.2; 1.4 (199CXB1A, 199DXB1A); 1.4; 1.1 (169.AXA1A); 1.2 (312PXA1A); 1.1 (169CXA1A); 1.2 (312CXA1A, 312DXA1A); 1.2 60 (188.030, .050, .130, .150, .230, .250); 1.2 (199AXZ1A, 199BXZ1A); 1.4 (199.AXB1A); 1.2 60 (+11 more) |
| Year of manufacture | 1996-2016 |
| Manufacturer article number (MPN) | 12051827 |
| OE part numbers | 1535535, 55190344, 642500, 9158057, 9S516571CA, MR984262 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
CORTECO 12051827 . Fitting Position: AS. Fitting Position: ES. Height 1 [mm]: 8 mm. Inner Diameter 1 [mm]: 5 mm. Inner Diameter 2 [mm]: 7 mm. Material: 30. Outer Diameter 1 [mm]: 7,8 mm. Outer Diameter 2 [mm]: 11 mm
- 1x Seal Ring Valve Stem
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 Ring Valve Stem compatible with my car?
This Seal Ring Valve Stem fits FIAT, FORD, LANCIA, MERCEDES-BENZ, MITSUBISHI and 6 more 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 CORTECO Seal Ring Valve Stem have?
This CORTECO Seal Ring Valve Stem has the following specifications: Fitting Position: AS; Fitting Position: ES; Height 1 [mm]: 8 mm; Material: 30; Outer Diameter 1 [mm]: 7,8 mm; Outer Diameter 2 [mm]: 11 mm. Check the full specifications table above for complete details.
What OE part numbers does this Seal Ring Valve Stem replace?
This Seal Ring Valve Stem replaces OE part numbers: 1535535, 55190344, 642500, 9158057, 9S516571CA, MR984262. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal Ring Valve Stem cost?
This CORTECO Seal Ring Valve Stem is available for £0.99. Seal Ring Valve Stem prices vary depending on brand, specifications, and vehicle compatibility. CORTECO 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 Ring Valve Stem?
Regular inspection of your Seal Ring Valve Stem 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 Ring Valve Stem?
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 Ring Valve Stem fitted by a professional mechanic.
Can I use this part as a replacement for OE 1535535?
Yes, this CORTECO Seal Ring Valve Stem is a direct replacement for OE part number 1535535. 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.
