The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
Replacement spark plugs for your Mercedes-Benz engine
Downstream/behind catalytic converter
This product was last offered at the strikethrough price on
05-07-2026
Shut down quickly & remotely - required by many racing organizations
Includes new o-ring
This product was last offered at the strikethrough price on
04-24-2026
Transfers Power To Spark Plug. For all M272 V6 & M273 V8 Engines.
This product was last offered at the strikethrough price on
02-19-2026
Quickly shut down your battery in an emergency.
You never know when you will blow a fuse so it always good to have extra
Provides manifold pressure information to the vehicles Engine Control Unit
This product was last offered at the strikethrough price on
06-15-2026
Tool comes with both 1/2" and 3/8" drive.
Quickly shut down your battery in an emergency.
Don't scratch your paint with your battery tender.
Displays battery health at all times.
Used for the in-tank fuel pump
Position: Upper - For Cars with Option Code 917 (Partial Zero Emissions)
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-15-2026
Sends the signal for the coolant temperature guage
Keep your electrical system functioning properly with working relays
Two (2) Required - Battery Cut-Off Relay - Slot O And Slot R