Audi A3 Headers
We found 19 eBay listings for Audi A3 headers.
All Audi header listings by model
Last checked: . Confirm current price and fitment with the seller.
Compare headers options for the Audi A3 by part number, specification and seller fitment details. Matching listing titles mention 1996 to 2006, 2003 to 2013, 2003 to 2018 and 2012 onwards; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.
What the listings say: Of the 19 listings for Audi A3 headers checked on 28 October 2026, 9 give model years 1996 to 2006, 2003 to 2013, 2003 to 2018 and 2012 onwards. Part numbers in more than one title: 1J0121403B. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.
Found 19 listings for "audi a3 headers"
AUDI A3, TT, Q2, Q3 2012-ON COOLANT EXPANSION HEADER TANK BOTTLE RESERVOIR & CAP
AUDI A3, TT, Q2, Q3 2012-ON COOLANT EXPANSION HEADER TANK BOTTLE RESERVOIR & CAP
Audi A3 8V Expansion Tank Header Coolant Reservoir Bottle 5Q0121407G
Audi A3 8P Radiator Coolant Expansion Header Tank Bottle+ Cap 2003-2013
AUDI A3 S3 RS3 8P / TT / Q3 2003-2018 COOLANT EXPANSION HEADER TANK BOTTLE & CAP
Audi A3, S3, TT, Q2, Q3, Q5 Coolant Expansion Header Reservoir Tank Bottle + Cap
Audi A3 / S3 / RS3 8P 2003-2013 Coolant Expansion Header Tank Bottle + Cap
Audi A3, TT, Q3 Radiator Coolant Expansion Header Reservoir Tank Bottle + Cap
COOLANT EXPANSION HEADER TANK BOTTLE W/ CAP FOR AUDI A3 TT Q3 1J0121321A
For Audi A3 8P 2003-2013 Radiator Coolant Expansion Header Tank & Cap
COOLANT EXPANSION HEADER TANK CAP COVER FOR VW GOLF AUDI A3 SEAT SKODA 5Q0121321
AUDI A3 8L / TT 1996-2006 COOLANT EXPANSION HEADER TANK BOTTLE & CAP 1J0121403B
AUDI A3 / TT / Q3 2003-18 COOLANT EXPANSION HEADER TANK BOTTLE & CAP 1K0121407A
Audi A3 8P Black Coolant Header Tank Cap Lid New Genuine 2Q0121321A
AUDI A3 TFSI S LINE 8V Expansion Header Overflow Bottle
AUDI A3 TFSI SPORT MK3 2012-2016 Expansion Header Overflow Bottle 5Q0121407M
Coolant Header Tank for Audi A3 TT Skoda OCTAVIA Mk1 Mk2 1J0121403B New
AUDI A3 S LINE 30 MK4 8Y Expansion Header Overflow Bottle 5WA121407F
AUDI A3 TDI S LINE MK3 FL 8V Expansion Header Overflow Bottle
Questions about these listings
Which model years are named in the listings for Audi A3 headers?
9 listing titles give model years 1996 to 2006, 2003 to 2013, 2003 to 2018 and 2012 onwards. Check your car’s year against the fitment details in each listing.
Which part numbers appear in more than one listing for Audi A3 headers?
1J0121403B appears in more than one title. Compare the number on your old part with the listing before you buy.
How do I check fitment before buying Audi A3 headers?
Match the part number on your old part with the listing, then confirm the model year, generation and engine in the seller’s fitment details. Titles are the sellers’ descriptions, not confirmed fitment.
Check compatibility before buying
These listings were found using Audi A3 headers search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.