Shut down quickly & remotely - required by many racing organizations
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Audi Coupe Q 5cyl Engine Electrical Parts
The CTEK storage bag is tough, durable, and lightweight to protect your battery tender and keep it safe from the elements – wherever you take it.
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This product was last offered at the strikethrough price on
05-02-2026
An all-in-one battery starter, DTC code reader, and alternator analyzer.
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You never know when you will blow a fuse so it always good to have extra
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Easy to use — simply attach to the battery (no need to disconnect) and follow the on-screen instructions
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Great tool for shop or home
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Take control of your day.
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Blue sensor used by the ECU to control engine fueling
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1990 And 1991 Model Years Only
This product was last offered at the strikethrough price on
05-07-2026
Stainless steel weld-in nut for any O2 sensor
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Shut down quickly & remotely - required by many racing organizations
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The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
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Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades.
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Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM
This product was last offered at the strikethrough price on
05-02-2026
Shut down quickly & remotely - required by many racing organizations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Blue sensor used by the ECU to control engine fueling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
1990 And 1991 Model Years Only
Tool comes with both 1/2" and 3/8" drive.
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Don't scratch your paint with your battery tender.
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