2008 Audi RS4 Secondary Air Injection Relays
Save up to 40% on original replacement 2008 Audi RS4 Secondary Air Injection Relays. Navigate our online catalogue to find Secondary Air Injection Relays and other parts designed specifically to fit a 2008 Audi RS4.








Secondary Air Injection Relay
$14.04
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder







Secondary Air Injection Relay
$14.04
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder







Secondary Air Injection Relay
$18.29
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Vehicle Fitment Notes:
Alternate Number
Alternate Number







Secondary Air Injection Relay
$18.29
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Vehicle Fitment Notes:
Alternate Number
Alternate Number







Secondary Air Injection Relay
$16.20
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder







Secondary Air Injection Relay
$16.20
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Vehicle Fitment Notes:
Exhaust stock and reorder
Exhaust stock and reorder







Secondary Air Injection Relay
$19.48
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Engine Base: 4.2L 4163cc V8 (3.33x3.65; 84.5x92.8);
Vehicle Fitment Notes:
Alternate Number
Alternate Number







Secondary Air Injection Relay
$19.48
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Engine Base: 4.2L 4172cc V8 (3.33x3.65; 84.5x93.0);
Vehicle Fitment Notes:
Alternate Number
Alternate Number