- 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 | PAYEN |
| MPN | hr5127 |
OE numbers (3)
Where this part fits
Original-fit position for OE 642501. The red ring marks where this part installs on the vehicle.
![-SEAL,VALVE STEM — Opel ASTRA-G ( 1998 - 2010) — E ENGINE AND CLUTCH › 11 Z22SE[L61] PETROL ENGINE](/_next/image?url=https%3A%2F%2Fcdn.carparts247.co.uk%2Fdiagrams%2Foem%2Fopel%2Ft98%2F9449a683c2123324%2F2.webp&w=3840&q=75)
About this product
When seal set valve stem performance matters, the PAYEN HR5127 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Material: 30. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with ALFA ROMEO, ALPHEON, BUICK, BUICK (SGM) and 18 other makes 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: 12-34264-01, 19036872, 24-31959-80/0, 538.080 and 6 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (7)
Seal Set Valve Stem PAYEN HR5127 — compatible car models
| Car models | ALFA ROMEO: 159 (939), 159 Sportwagon (939), BRERA (939), SPIDER (939); ALPHEON: ALPHEON; BUICK: ALLURE Saloon (GE), LA CROSSE Saloon, REGAL Saloon, VERANO Saloon; BUICK (SGM): GL8 I (CU2), GL8 S II (CU3), LACROSSE (CW2, CW3), LACROSSE (EG2), REGAL II (EG1); CADILLAC: BLS, BLS Wagon; CADILLAC (SGM): SLS (S6D); CHEVROLET: ALERO, ASTRA Estate, ASTRA Hatchback, CAPTIVA (C100, C140), CAPTIVA SPORT, CAVALIER Coupe, CAVALIER Saloon, CLASSIC, COBALT, COBALT Coupe (+3 more) |
|---|---|
| Engines | 1.9 JTS (939AXA1B); 1.9 JTS (939BXA1B); 2.2 JTS (939.DXB11); 2.2 JTS (939EXB1B, 939EXB11); 2.4 (4XD); 2.4; 2.0; 2.4 SIDI; 2.0 Turbo; 2.0 T; 2.2; 2.0 SS; 2.4 Hybrid |
| Year of manufacture | 1994-2016 |
| Manufacturer article number (MPN) | HR5127 |
| OE part numbers | 642501, 71739347, 90537241 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
PAYEN hr5127 . Material: 30
- 1x Seal Set Valve Stem
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 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 Set Valve Stem compatible with my car?
This Seal Set Valve Stem fits ALFA ROMEO, ALPHEON, BUICK, BUICK (SGM), CADILLAC and 17 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 PAYEN Seal Set Valve Stem have?
This PAYEN Seal Set Valve Stem has the following specifications: Material: 30. Check the full specifications table above for complete details.
What OE part numbers does this Seal Set Valve Stem replace?
This Seal Set Valve Stem replaces OE part numbers: 642501, 71739347, 90537241. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal Set Valve Stem cost?
This PAYEN Seal Set Valve Stem is available for £41.99. Seal Set Valve Stem 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 Set Valve Stem?
Regular inspection of your Seal Set 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 Set 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 Set Valve Stem fitted by a professional mechanic.
Can I use this part as a replacement for OE 642501?
Yes, this PAYEN Seal Set Valve Stem is a direct replacement for OE part number 642501. 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 HR5127 the same as the PAYEN HR5044?
No, while both are Seal Set Valve Stem parts, they are different products. The PAYEN HR5127 has Material: 30. The PAYEN HR5044 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.
