Blue sensor with square connector. Please check existing sensor color
For vehicles with VIN up to 3B-X-491,580, split is in the 1999 model year.
Blue sensor with square connector. Please check existing sensor color
For vehicles with VIN up to 3B-X-491,580, split is in the 1999 model year.
Restore fuel mileage and performance
Small "S" breather hose that runs on the backside of the intake manifold
2X Entries Into Our F80 M3 Sweepstakes
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For vehicles with VIN up to 3B-1-400 000 only, split is in the 2001 model year
Measures cam position and relays it to the ECU
Keep clean air running through your engine
This product was last offered at the strikethrough price on
05-07-2026
Seals the intake pipe to throttle body
Seals the dipstick and keeps debris out
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Also known as the RPM or speed sensor
For vehicles with automatic transmission only
This product was last offered at the strikethrough price on
07-14-2026
Keep clean air running through your engine
This product was last offered at the strikethrough price on
05-07-2026
Replace your worn down followers
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This product was last offered at the strikethrough price on
05-07-2026
Prevents excess pressure from building within the system
This product was last offered at the strikethrough price on
05-07-2026
Replacement 4 pin relay
Used for fan control
This product was last offered at the strikethrough price on
05-07-2026
Reduce excessive drivetrain vibrations
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Connects the lower radiator port to the thermostat housing
For vehicles with VIN from 3B-X-145 414 or VIN 3B-XE173 716 through VIN 3B-1-050 000 only, splits are in the 1999 and 2001 model years
Meets Volkswagen & Audi 502.00/505 00 specification
Connects the coolant pipe to the throttle body
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For vehicles with ATQ engine code only
This product was last offered at the strikethrough price on
05-02-2026