Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (7) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Brand
- Catco Catalytic Converters (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- AP Exhaust (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Converter Substrate Material
- Ceramic substrate (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Ceramic honeycomb (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Converter Overall Length (in.)
- 43.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 50.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 42.00 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Remanufactured
- No (2)
Heat Shield
- No (3)
- Yes (2)
Filter Options
- Stock Replacement (5)
- Made In USA (3)
Savings Central
- Free Shipping (3)

Catalytic Converters

Showing In Stock Items. Show All 7 Items.

Individual Parts

Part Groups

Results 1 - 5 of 5

AP Exhaust Direct-Fit Catalytic Converters for 2003-2005 ALLROAD QUATTRO - 643128

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 1.97 in. Slip Fit Outlet, Ceramic Honeycomb Substrate, 50.50 in. Length, Right, Audi, 4.2L, Each

Part Number: APH-643128

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2026 if ordered today