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Details
| Specification | Value |
|---|---|
| Brand | TECNECO FILTERS |
| MPN | at121 |
| Transmission Code | 01J |
| Recommended change interval [km] | 65000 km |
| Recommended change interval [years] | 5 Years |
OE numbers (4)
Search by this OE number to find compatible parts
About this product
When hydraulic filter kit automatic transmission performance matters, the TECNECO FILTERS AT121 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Transmission Code: 01J, Transmission Type: 21, Supplementary Article/Supplementary Info: 35, Recommended change interval [km]: 65000 km, Recommended change interval [years]: Rubber Years. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with AUDI, SEAT 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: 01J 301 517 D kit, 01J 301 519 L kit, 105704, 116010 and 9 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TECNECO FILTERS is a recognised supplier of automotive filtration 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 (10)
Hydraulic Filter Kit Automatic Transmission TECNECO FILTERS AT121 — compatible car models
| Car models | AUDI: 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), A6 C6 (4F2), A6 C6 Avant (4F5) (+1 more); SEAT: EXEO (3R2), EXEO ST (3R5) |
|---|---|
| Engines | 1.6; 1.8 T; 2.0 TDI; 1.8; 2.8 FSI |
| Year of manufacture | 1997-2013 |
| Manufacturer article number (MPN) | AT121 |
| OE part numbers | 01J 301 517 D kit, 01J 301 519 L kit, 1J 301 517 D kit, 1J 301 519 L kit |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
TECNECO FILTERS at121 . Recommended change interval [km]: 65000 km. Recommended change interval [years]: 5 Years. Supplementary Article/Supplementary Info: 35. Transmission Code: 01J. Transmission Type: 21
- 1x Hydraulic Filter Kit Automatic Transmission
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 Hydraulic Filter Kit Automatic Transmission compatible with my car?
This Hydraulic Filter Kit Automatic Transmission fits AUDI, SEAT 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 TECNECO FILTERS Hydraulic Filter Kit Automatic Transmission have?
This TECNECO FILTERS Hydraulic Filter Kit Automatic Transmission has the following specifications: Transmission Code: 01J; Transmission Type: 21; Supplementary Article/Supplementary Info: 35; Recommended change interval [km]: 65000 km; Recommended change interval [years]: 5 Years. Check the full specifications table above for complete details.
What OE part numbers does this Hydraulic Filter Kit Automatic Transmission replace?
This Hydraulic Filter Kit Automatic Transmission replaces OE part numbers: 01J 301 517 D kit, 01J 301 519 L kit, 1J 301 517 D kit, 1J 301 519 L kit. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Hydraulic Filter Kit Automatic Transmission cost?
This TECNECO FILTERS Hydraulic Filter Kit Automatic Transmission is available for £37.99. Hydraulic Filter Kit Automatic Transmission prices vary depending on brand, specifications, and vehicle compatibility. TECNECO FILTERS parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Hydraulic Filter Kit Automatic Transmission?
Regular inspection of your Hydraulic Filter Kit Automatic Transmission 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 Hydraulic Filter Kit Automatic Transmission?
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 Hydraulic Filter Kit Automatic Transmission fitted by a professional mechanic.
Can I use this part as a replacement for OE 01J 301 517 D kit?
Yes, this TECNECO FILTERS Hydraulic Filter Kit Automatic Transmission is a direct replacement for OE part number 01J 301 517 D kit. 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.
