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Details
| Specification | Value |
|---|---|
| Brand | MOOG |
| MPN | au-es-3721 |
| Category | Track Rod End |
| Diameter 1 [mm] | 16 mm |
| Length 1 [mm] | 94 mm |
| Thread Size 1 | M14X1.5 |
| Thread Size 2 | M12X1.5 |
| paired article number | AU-ES-3723 |
| Packaging length [cm] | 12.5 cm |
| Packaging width [cm] | 9 cm |
| Packaging height [cm] | 7.5 cm |
OE/OEM numbers (13)
Search by this OE number to find compatible parts
- AUDI / SEAT / SKODA / VW—5U0 422 811 A
- VW—5Z0 423 811
- SEAT / SKODA / VW—6Q0 419 811 C
- AUDI / SEAT / SKODA / VW—6Q0 423 811
- SEAT / SKODA / VW—6Q0423811A
- AUDI / SEAT / SKODA / VW—6Q0 423 811 C
- VW—6Q0 423 811 D
- SEAT / SKODA / VW—6R0 423 811
- VW—6RD 422 811
- SEAT / VW / SKODA—6RD 423 811 A
- SEAT / SKODA / VW—6RD423811B
- AUDI—8Z0423811
- AUDI / SEAT / SKODA / VW—8Z0 423 811 A
Where this part fits
Original-fit position for OE 5Z0423811. The red ring marks where this part installs on the vehicle.
About this product
When track rod end performance matters, the MOOG AU-ES-3721 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Diameter 1 [mm]: Silicone mm, Shape: Plastic, Container Type: Synthetic, Length 1 [mm]: 94 mm, Thread Size 1: M14X1.5. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUDI, SEAT, SKODA, VW 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: 0291850, 040366B, 040367B, 04SKV274 and 162 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MOOG 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 (149)
Show all 149 OE numbers
Track Rod End MOOG AU-ES-3721 — compatible car models
| Car models | AUDI: A2 (8Z0); SEAT: CORDOBA (6L2), IBIZA III (6L1), IBIZA IV (6J5, 6P1), IBIZA IV Hatchback Van (6J1), IBIZA IV SC (6J1, 6P5), IBIZA IV ST (6J8, 6P8); SKODA: FABIA I (6Y2), FABIA I Combi (6Y5), FABIA II (542), FABIA II Combi (545), FABIA II Praktik (545), FABIA I Praktik (6Y5), FABIA I Saloon (6Y3), ROOMSTER (5J7), ROOMSTER Praktik (5J); VW: FOX Hatchback (5Z1, 5Z3, 5Z4), FOX Hatchback (5Z5), FOX Van (5Z1), LUPO II (5Z1), POLO IV (9N, 9A), POLO IV Saloon (9A4, 9A2, 9N2, 9A6), POLO IV Saloon (9N2, 9N4), POLO V (6R1, 6C1), POLO Van V (6R1, 6C1), POLO VIVO Hatchback (6S1, 6S3) (+4 more) |
|---|---|
| Engines | 1.2 TDI; 1.2; 1.0; TDI; 1.0 Flex; 1.6; 1.4; 1.2 TSI |
| Year of manufacture | 1999-2022 |
| Manufacturer article number (MPN) | AU-ES-3721 |
| OE part numbers | 5U0 422 811 A, 5Z0 423 811, 6Q0 419 811 C, 6Q0 423 811, 6Q0423811A, 6Q0 423 811 C, 6Q0 423 811 D, 6R0 423 811, 6RD 422 811, 6RD 423 811 A, 6RD423811B, 8Z0423811, 8Z0 423 811 A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MOOG au-es-3721 Track Rod End. Container Type: 19. Diameter 1 [mm]: 16 mm. Length 1 [mm]: 94 mm. Packaging height [cm]: 7,5 cm. Packaging length [cm]: 12,5 cm. Packaging width [cm]: 9 cm. paired article number: AU-ES-3723. Shape: 6
- 1x Track Rod End
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 Track Rod End compatible with my car?
This Track Rod End fits AUDI, SEAT, SKODA, 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 MOOG Track Rod End have?
This MOOG Track Rod End has the following specifications: Diameter 1 [mm]: 16 mm; Shape: 6; Container Type: 19; Length 1 [mm]: 94 mm; Thread Size 1: M14X1.5; Thread Size 2: M12X1.5. Check the full specifications table above for complete details.
What OE part numbers does this Track Rod End replace?
This Track Rod End replaces OE part numbers: 5U0 422 811 A, 5Z0 423 811, 6Q0 419 811 C, 6Q0 423 811, 6Q0423811A, 6Q0 423 811 C, 6Q0 423 811 D, 6R0 423 811 and 5 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Track Rod End cost?
This MOOG Track Rod End is available for £14.99. Track Rod End prices vary depending on brand, specifications, and vehicle compatibility. MOOG parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Track Rod End?
Signs include play in the steering, the vehicle drifting or wandering on the road, uneven tyre wear (especially inner-edge wear), clunking from the steering when turning, or a misaligned steering wheel at centre.
What tools do I need to replace a Track Rod End?
Tools needed: tie rod end puller, 17-19mm spanner (for locking nut), socket set, torque wrench, new cotter pin. Difficulty: Moderate DIY. Safety warning: After fitting, the vehicle must have a 4-wheel alignment check before extended driving -- an incorrect toe setting causes rapid tyre wear and unpredictable handling.
Can I use this part as a replacement for OE 5U0 422 811 A?
Yes, this MOOG Track Rod End is a direct replacement for OE part number 5U0 422 811 A. 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.
