Skip to main content
Welcome to the NEW WCCC Cougar Parts Catalog
(Click here to tell us what you think)
Our warehouse is closed for New Years Jan 1-4th.
Orders placed after 12PM PST on Tuesday 12/30/2025 may not ship until Monday (1/5/2026).
International Customers Click Here [Updated 6/2025]

Electrical & Lighting

Spotlight Items:

1967 - 1968 Interior Lights

Reproduction rear courtesy / opera light lenses for the Mercury Cougar. The rear courtesy / opera lights were standard...

$$ITEMNRLABEL$$ 26017
Price: $101.57
1967 - 1968 Interior Lights

New LED dash light kit for the gauges in your Mercury Cougar. Finally, a kit that will provide you the light you need to...

$$ITEMNRLABEL$$ 26923
Price: $53.90
Filter by
Products 589-600 of 660
Plug and Pigtail - Taillight Harness - Plug to Passenger Side Center Taillight - Used ~ 1967 - 1968 Mercury Cougar 1968,1968 cougar,C8W,13a449,1967,1967 cougar,c7w,center,cougar,hand,harness,light,loom,main,mercury,mercury cougar,passenger,pigtail,plug,repair,right,side,tail,taillight,used,wiring,passenger,passengers,passengers,side,26867
26867

Used taillight wiring harness repair plug and pigtail to the passenger side (right hand) center taillight for the Mercury Cougar. This is part of the 13A449 main taillight wiring harness. *NOTE*...

Price: $19.74
Radio Voltage Capacitor - Regulator - Noise Suppressor - Repro ~ 1967 - 1971 Mercury Cougar / 1967 - 1971 Ford Mustang 1967,1967 cougar,1967 mustang,1968,1968 cougar,1968 mustang,1969,1969 cougar,1969 mustang,1970,1970 cougar,1970 mustang,1971,1971 cougar,1971 mustang,c7w,c7z,c8w,c8z,c9w,c9z,capacitor,cougar,d0w,d0z,d1w,d1z,ford,ford mustang,mercury,mercury cougar,mustang,radio,regulator,supressor,repro,voltage,noise,suppressor,10044
10044

This Autolite capacitor is stamped with part number C6OA-18832-A. It attaches to one of the lugs on the voltage regulator, bullet lead plugs into wiring harness. Sometimes called a radio...

Price: $60.91
Regulator Assembly - Curtis Wright Speed Control - Core ~ 1967 Mercury Cougar / 1967 Ford Mustang C7ZZ-9D757-A,9D757,1967,1967 cougar,1967 mustang,C7W,C7Z,assembly,box,brain,circle,computer,control,core,cougar,cruise,curtis,ford,ford mustang,mercury,mercury cougar,mustang,perfect,regulator,servo,speed,used,wright,31451
31451

Core regulator assembly or brain box for factory speed control on a early 1967 Mercury Cougar or Ford Mustang. This is the Curtis-Wright regulator assembly. Basic Ford part number is 9D757, research...

Price: $369.43
Regulator Assembly - Perfect Circle Speed Control - Core ~ 1967 Mercury Cougar / 1967 Ford Mustang C7VY-9D757-B,9D757,1967,1967 cougar,1967 mustang,C7W,C7Z,assembly,box,brain,circle,computer,control,core,cougar,cruise,curtis,ford,ford mustang,mercury,mercury cougar,mustang,perfect,regulator,servo,speed,used,wright,31452
31452

Core regulator assembly or brain box for factory speed control on a early 1967 Mercury Cougar or Ford Mustang. This is the Perfect Circle regulator assembly. Basic Ford part number is 9D757,...

Price: $369.43
Relay - Brake Release - Curtis Wright Speed Control - Used ~ 1967 Mercury Cougar / 1967 Ford Mustang C6VY-9D737-B,1967,1967 cougar,1967 mustang,C7W,C7Z,circuit,connector,control,cougar,cruise,electrical,ford,ford mustang,mercury,mercury cougar,mustang,relay,speed,break,31445
31445

Relay for 1967 Mercury Cougar or Ford Mustang with Curtis Wright factory speed control. This is the brake release relay. Ford part number C6VY-9D737-B.

Price: $116.80
Relay - Brake Release - Perfect Circle Speed Control - Used ~ 1967 Mercury Cougar / 1967 Ford Mustang C7WA-9D737-A,1967,1967 cougar,1967 mustang,C7W,C7Z,circuit,connector,control,cougar,cruise,electrical,ford,ford mustang,mercury,mercury cougar,mustang,relay,speed,break,31443
31443

Relay for 1967 Mercury Cougar or Ford Mustang with Perfect Circle factory speed control. This is the brake release relay. This Relay mounts to the Regulator Bracket. Ford part number...

Price: $116.80

Certified
Relay - Emergency Flasher - K-10 - Used ~ 1967 - 1968 Mercury Cougar C7WB-10C838-B,1967,1967 cougar,1968,1968 cougar,c7w,c8w,cougar,emergency,flasher,light,mercury,mercury cougar,relay,used,k10,k,10,26789,crappy,five,pin,emergency,flasher,tail,light,relay,center,bulb,hazard,taillight,bypass,tail,light,lite,5
26789

1967 - 1968 Mercury Cougar emergency light flasher relay. Good used, original, and 'tested' unit ready to plug in and use. Lead wire not included, shown in picture for help in identification...

Price: $41.95
Relay - Low Fuel - XR7 - NOS ~ 1967 - 1970 Mercury Cougar / 1967 - 1970 Ford Mustang 10a968,1967,1967 cougar,1968,1968 cougar,1969,1969 cougar,1970,1970 cougar,c6af,c7w,c8w,c9w,cougar,d0w,fuel,low,mercury,mercury cougar,relay,used,xr7,32702,C6AF-10A968-A
32702

Low fuel option electrical relay. Stamped C6AF-10A968-A, Ford engineering number C5AZ-10A968-C. This relay was used on 1965-70 Ford and Mercury full sized cars, 1968-70 Torino/Cyclone/Montego/Fairlan...

Price: $129.85
Relay - Power Window - NOS ~ 1967 - 1973 Mercury Cougar 1967,1967 cougar,1968,1968 cougar,1969,1969 cougar,1970,1970 cougar,1971,1971 cougar,1972,1972 cougar,1973,1973 cougar,assembly,c7w,c8w,c9w,cougar,d0w,d1w,d2w,d3w,mercury,mercury cougar,new,new old stock,nos,old,power,relay,stock,window,25821
25821

This used power window relay mounts to the front inner apron on the passenger side just behind the starter solenoid.This relay also used for 1969-73 power convertible tops, and 1971-73 power...

Price: $245.88