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Here are just a few parts we have for Mercury Air Fuel Ratio Gauge for a limited time. Use the dropdown above to search for the Mercury parts you need!

Part Name	Mercury Cougar Air Fuel Ratio Monitor - Direct OE Replacement, Wideband	Click Image to Enlarge Part #A18304100
Brand	AEM
Fits	2000-2002 Mercury Cougar
Features	Type: Direct OE Replacement, Wideband
Year	2000-2002
Description	AEM GAUGE-TYPE WIDEBAND UEGO CONTROLLER -- Lean-rich air to fuel ration display range; Digital display gauge; Includes Bosch sensor, user-programmable 0-5V analog output for use with data loggers and virtually any engine management system, serial data stream for output of AFR or RS 232; With 52 mm gauge housing that fits most gauge pods; Accurately monitors air and fuel ration during the tuning process to prevent a lean fuel mixture; Has combined single-channel wideband UEGO controller and gauge display unit, uniting unsurpassed AFR accuracy and control with an easy to read interface; Ideal AFR monitoring tool for EFI and carbureted applications and engine dynamometers; Does not oscillate AFR reading like narrow band sensors; No laptop required for monitoring; Accurate to 0.1 AFR; Its 24 color-coded LED display lights provide immediate reference to engine's air and fuel ratio or lambda ratio; Has integrated three-digit display that reveals AFR or lambda in real time; With AEM's limited warranty.
Your Price	$153.63
Quantity

Mercury Cougar Air Fuel Ratio Monitor also fits these models:
2000\|2001\|2002::Base; 4Cyl 2.0L; 2000\|2001\|2002::Base; 6Cyl 2.5L; 2000\|2001\|2002::V6; 6Cyl 2.5L; 2001::S; 6Cyl 2.5L;