- 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 | bfs66s |
| for OE number | 034 109 309 |
| Fitting Position | Intake Side |
| Fitting Position | Exhaust Side |
| Diameter [mm] | 35 mm |
| Height [mm] | 26 mm |
| Operating Mode | HY |
OE numbers (13)
Search by this OE number to find compatible parts
- AUDI—034 109 309
- AUDI—034 109 309 AC
- AUDI—034 109 309 AD
- AUDI—034 109 309 N
- AUDI—074 109 309
- FORD—1639187
- FORD—1649127
- FORD—1669765
- FORD—86HF 6500 AA
- FORD—86HF 6500 AB
- VOLVO—9186568
- FORD—95VW 6500 BA
- MERCEDES-BENZ—A000 054 02 01
Where this part fits
Original-fit position for OE 1669765. The red ring marks where this part installs on the vehicle.
About this product
Sourced from FAI AutoParts, this tappet (BFS66S) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — for OE number: 034 109 309, Fitting Position: ES, Fitting Position: AS, Diameter [mm]: 35 mm, Height [mm]: 26 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, FORD, SEAT, SKODA and 2 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: 034 109 309, 034 109 309 AC, 034 109 309 AD, 034 109 309 N and 26 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 (17)
Tappet FAI AutoParts BFS66S — compatible car models
| Car models | AUDI: 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 80 B4 Avant (8C5), 80 B4 Saloon (8C2), A3 (8L1), A4 B5 (8D2), A4 B5 Avant (8D5), A6 C4 (4A2), A6 C4 Avant (4A5), A6 C5 (4B2, 4B4) (+4 more); FORD: ESCORT V (AAL, ABL), ESCORT VI (GAL, AAL, ABL), GALAXY I (WGR), GALAXY MK I VAN (WGR); SEAT: ALHAMBRA (7V8, 7V9), ALHAMBRA VAN (7V8, 7V9), AROSA (6H1), CORDOBA (6K1, 6K2), CORDOBA Vario (6K5), CORDOBA VARIO Estate Van (6K5), IBIZA II (6K1), INCA (6K9), LEON (1M1), TERRA (24) (+2 more) |
|---|---|
| Engines | 2.0 E; 1.9 TDI; 1.6; 2.8; 2.0; RS Cosworth 4x4; 1.9 TDi; 1.4; 1.3; 1.4 i; 1.0; 1.3 D; 1.6 i |
| Year of manufacture | 1987-2010 |
| Manufacturer article number (MPN) | BFS66S |
| OE part numbers | 034 109 309, 034 109 309 AC, 034 109 309 AD, 034 109 309 N, 074 109 309, 1639187, 1649127, 1669765, 86HF 6500 AA, 86HF 6500 AB, 9186568, 95VW 6500 BA, A000 054 02 01 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FAI AutoParts bfs66s . Diameter [mm]: 35 mm. Fitting Position: AS. Fitting Position: ES. for OE number: 034 109 309. Height [mm]: 26 mm. Operating Mode: HY. Quantity: 1
- 1x Tappet
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 Tappet compatible with my car?
This Tappet fits AUDI, FORD, SEAT, SKODA, VOLVO and 1 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 FAI AutoParts Tappet have?
This FAI AutoParts Tappet has the following specifications: for OE number: 034 109 309; Fitting Position: ES; Fitting Position: AS; Diameter [mm]: 35 mm; Height [mm]: 26 mm; Operating Mode: HY. Check the full specifications table above for complete details.
What OE part numbers does this Tappet replace?
This Tappet replaces OE part numbers: 034 109 309, 034 109 309 AC, 034 109 309 AD, 034 109 309 N, 074 109 309, 1639187, 1649127, 1669765 and 5 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Tappet cost?
This FAI AutoParts Tappet is available for £10.99. Tappet 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 Tappet?
Regular inspection of your Tappet 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 Tappet?
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 Tappet fitted by a professional mechanic.
Can I use this part as a replacement for OE 034 109 309?
Yes, this FAI AutoParts Tappet is a direct replacement for OE part number 034 109 309. 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.
