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Details
| Specification | Value |
|---|---|
| Brand | DELPHI |
| MPN | ta1644 |
| Category | Tie rod axle joint |
| Fitting Position | Front Right |
| Fitting Position | Front Left |
| Length [mm] | 144 mm |
| Width [mm] | 40 mm |
| Height [mm] | 40 mm |
| Thread Size 1 | M16x1.5 |
| Thread Size 2 | M14x1.5 |
| Axle Joint Length [mm] | 128 mm |
OE numbers (5)
Search by this OE number to find compatible parts
- AUDI / VW—4D0 422 821
- AUDI / VW—4D0 422 821A
- AUDI—8E0419801B
- AUDI / VW—8E0 422 821
- AUDI / SEAT / VW—8E0 422 821C
Where this part fits
Original-fit position for OE 4D0422821A. The red ring marks where this part installs on the vehicle.
About this product
DELPHI Tie rod axle joint (TA1644) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Fitting Position: Front Right, Fitting Position: Front Left, Length [mm]: 144 mm, Width [mm]: 40 mm, Height [mm]: 40 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, AUDI (FAW), SEAT, SKODA and 2 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: 028 160 001 504, 101-4887, 101-6337, 101-7446 and 83 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DELPHI 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.
About DELPHI
Delphi Technologies, with roots dating back to 1994 as part of General Motors, is a globally recognised supplier of fuel injection, ignition, and engine management systems. Delphi specialises in diesel injectors, fuel pumps, ignition coils, lambda sensors, and engine management components. As an OE supplier to major manufacturers worldwide, Delphi products are engineered to original factory specifications. With deep expertise in both petrol and diesel fuel systems, Delphi is the professional's choice for precision engine and fuel system components.
Suitable cars
Equivalent products (82)
Show all 82 OE numbers
Tie rod axle joint DELPHI TA1644 — compatible car models
| Car models | AUDI: A4 B5 (8D2), A4 B5 Avant (8D5), A4 B6 (8E2), A4 B6 Avant (8E5), A4 B6 Convertible (8H7), A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Convertible (8HE), A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6) (+2 more); AUDI (FAW): A4 B6 (8E2), A4 B7 (8YC), A6 C5 (4Y8); SEAT: EXEO (3R2), EXEO ST (3R5); SKODA: SUPERB I (3U4); VW: PASSAT B5 (3B2), PASSAT B5.5 (3B3), PASSAT B5.5 Variant (3B6), PASSAT B5 Variant (3B5); VW (SVW): PASSAT B5 (9F8), PASSAT LINGYU (B5, 9F0, 9F9) |
|---|---|
| Engines | 1.6; 1.8 T; 1.8; 2.5 TDI; 2.5 TDI quattro |
| Year of manufacture | 1994-2013 |
| Manufacturer article number (MPN) | TA1644 |
| OE part numbers | 4D0 422 821, 4D0 422 821A, 8E0419801B, 8E0 422 821, 8E0 422 821C |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DELPHI ta1644 Tie rod axle joint. Axle Joint Length [mm]: 128 mm. Fitting Position: VL. Fitting Position: VR. Height [mm]: 40 mm. Length [mm]: 144 mm. Thread Size 1: M16x1,5. Thread Size 2: M14x1.5. Width [mm]: 40 mm
- 1x Tie rod axle joint
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 Tie rod axle joint compatible with my car?
This Tie rod axle joint fits AUDI, AUDI (FAW), SEAT, SKODA, VW 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 DELPHI Tie rod axle joint have?
This DELPHI Tie rod axle joint has the following specifications: Fitting Position: VR; Fitting Position: VL; Length [mm]: 144 mm; Width [mm]: 40 mm; Height [mm]: 40 mm; Thread Size 1: M16x1,5. Check the full specifications table above for complete details.
What OE part numbers does this Tie rod axle joint replace?
This Tie rod axle joint replaces OE part numbers: 4D0 422 821, 4D0 422 821A, 8E0419801B, 8E0 422 821, 8E0 422 821C. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Tie rod axle joint cost?
This DELPHI Tie rod axle joint is available for £17.99. Tie rod axle joint prices vary depending on brand, specifications, and vehicle compatibility. DELPHI parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Tie rod axle joint?
Regular inspection of your Tie rod axle joint 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 Tie rod axle joint?
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 Tie rod axle joint fitted by a professional mechanic.
Can I use this part as a replacement for OE 4D0 422 821?
Yes, this DELPHI Tie rod axle joint is a direct replacement for OE part number 4D0 422 821. 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.
