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Details
| Specification | Value |
|---|---|
| Brand | TRW Engine Component |
| Category | inlet valve |
| Length [mm] | 96.9 mm |
| Valve Head Diameter [mm] | 36 mm |
| Valve Stem Diameter [mm] | 8 mm |
| Valve seat angle [°] | 45 ° |
OE/OEM numbers (8)
Search by this OE number to find compatible parts
- VW—028 109 601A
- AUDI / VW / FORD / SEAT—028 109 601 H
- VW—046 109 601G
- VW—046 109 601J
- VW—049 109 601J
- FORD—1049789
- FORD—1669766
- VOLVO—9186565
Where this part fits
Original-fit position for OE 1049789. The red ring marks where this part installs on the vehicle.
About this product
When inlet valve performance matters, the TRW Engine Component 39423 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Length [mm]: 96, Stainless Steel mm, Material: 67, Supplementary Article/Info 2: 689, Supplementary Article/Info 2: 732, Valve Head Diameter [mm]: 36 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUDI, FORD, SEAT, VOLVO and 1 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: 028 109 601A, 028 109 601 H, 028109601H, 029 VE 30498 000 and 18 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TRW Engine Component 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 (14)
inlet valve TRW Engine Component 39423 — compatible car models
| Car models | AUDI: 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 80 B4 Avant (8C5), 80 B4 Saloon (8C2), A4 B5 (8D2), A4 B5 Avant (8D5), A6 C4 (4A2), A6 C4 Avant (4A5) (+3 more); FORD: GALAXY I (WGR), GALAXY MK I VAN (WGR); SEAT: ALHAMBRA (7V8, 7V9), ALHAMBRA VAN (7V8, 7V9), CORDOBA (6K1, 6K2), CORDOBA Vario (6K5), IBIZA II (6K1), TOLEDO I (1L2); VOLVO: 850 (854), 850 Estate (855), S70 (874), S80 I (184), V70 I (875, 876), V70 II (285); VW: CADDY II Box Body/MPV (9K9A), CADDY II MPV (9K9B), CALIFORNIA T4 Camper (7DJ, 7DK, 70J) |
|---|---|
| Engines | 2.5 TDI; 1.9 TDI; 1.9 Hybrid; 1.9 TDi; TDI |
| Year of manufacture | 1982-2010 |
| Manufacturer article number (MPN) | 39423 |
| OE part numbers | 028 109 601A, 028 109 601 H, 046 109 601G, 046 109 601J, 049 109 601J, 1049789, 1669766, 9186565 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
TRW Engine Component 39423 inlet valve. Length [mm]: 96,9 mm. Material: 67. Supplementary Article/Info 2: 689. Supplementary Article/Info 2: 732. Valve Head Diameter [mm]: 36 mm. Valve seat angle [°]: 45 °. Valve Seat Material: 67. Valve Stem Diameter [mm]: 8 mm
- 1x inlet valve
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 inlet valve compatible with my car?
This inlet valve fits AUDI, FORD, SEAT, VOLVO, VW 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 TRW Engine Component inlet valve have?
This TRW Engine Component inlet valve has the following specifications: Length [mm]: 96,9 mm; Material: 67; Supplementary Article/Info 2: 689; Supplementary Article/Info 2: 732; Valve Head Diameter [mm]: 36 mm; Valve Stem Diameter [mm]: 8 mm. Check the full specifications table above for complete details.
What OE part numbers does this inlet valve replace?
This inlet valve replaces OE part numbers: 028 109 601A, 028 109 601 H, 046 109 601G, 046 109 601J, 049 109 601J, 1049789, 1669766, 9186565. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a inlet valve cost?
This TRW Engine Component inlet valve is available for £14.99. Inlet valve prices vary depending on brand, specifications, and vehicle compatibility. TRW Engine Component parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my inlet valve?
Regular inspection of your inlet valve 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 inlet valve?
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 inlet valve fitted by a professional mechanic.
Can I use this part as a replacement for OE 028 109 601A?
Yes, this TRW Engine Component inlet valve is a direct replacement for OE part number 028 109 601A. 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.
