Item# 51A-10505

VOLTAGE REGULATOR - 39-55 PASS/MERC/PU 6V POSITIVE GROUND

Name: VOLTAGE REGULATOR - 39-55 PASS/MERC/PU 6V POSITIVE GROUND
Brand: C&G Early Ford Parts Inc.
SKU: 51A-10505
Price: 69.95 USD
Availability: InStock

$69.95 / each

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In stock - only 3 left

SAME DAY SHIPPING
NO RUSH FEES
KNOWLEDGEABLE TEAM

SPECIFICATIONS

Note	Good quality replacement.
Additional Information	51A-10505, for 6-volt, cover color might be black, blue or silver.

COMPATIBILITY

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Year	Model	Details
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1949, 1950, 1951	Convertible
1946, 1947, 1948	Convertible	Sportsman
1952, 1953, 1954	Convertible	Sunliner
1939	Convertible Sedan
1949	Coupe	Business
1951	Coupe	Custom
1949	Coupe	Custom Club
1950	Coupe	Custom Deluxe
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1950, 1951	Coupe	Deluxe
1942	Coupe	Special
1939, 1940	Coupe	Standard
1941, 1942, 1946, 1947, 1948	Coupe	Super Deluxe
1954	Crestline	Sedan, 4 Door
1952, 1954	Customline	Club Coupe
1953	Customline	Club Sedan
1952, 1953, 1954, 1955	Customline	Sedan, 2 Door
1952, 1953, 1954, 1955	Customline	Sedan, 4 Door
1955	Fairlane	Club Sedan, 2 Door
1955	Fairlane	Convertible
1955	Fairlane	Crown Victoria
1955	Fairlane	Crown Victoria, Glass Top
1955	Fairlane	Town Sedan, 4 Door
1955	Fairlane	Victoria
1952, 1953, 1954	Mainline	Business Coupe
1952, 1953, 1954, 1955	Mainline	Sedan, 2 Door
1952, 1953, 1954, 1955	Mainline	Sedan, 4 Door
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1949, 1950, 1951	Mercury	Convertible
1940	Mercury	Convertible, Sedan
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1949, 1950, 1951	Mercury	Coupe
1952, 1953	Mercury	Hardtop, 2 Door, Sport Coupe
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1952, 1953	Mercury	Sedan, 2 Door
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953	Mercury	Sedan, 4 Door
1946, 1947	Mercury	Sportsman
1955	Mercury Custom	Hardtop, 2 Door, Sport Coupe
1955	Mercury Custom	Sedan, 2 Door
1955	Mercury Custom	Sedan, 4 Door
1954	Mercury Customline	Hardtop, 2 Door, Sport Coupe
1954	Mercury Customline	Sedan, 2 Door
1954	Mercury Customline	Sedan, 4 Door
1955	Mercury Montclair	Convertible
1955	Mercury Montclair	Hardtop, 2 Door
1955	Mercury Montclair	Sedan, 4 Door
1952, 1953, 1954	Mercury Monterey	Convertible
1950	Mercury Monterey	Coupe
1952, 1953, 1954, 1955	Mercury Monterey	Hardtop, 2 Door
1952, 1953, 1954, 1955	Mercury Monterey	Sedan, 4 Door
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955	Panel
1939, 1940, 1941, 1942, 1946, 1947	Pick-Up
1939, 1940, 1941, 1942, 1946, 1947	Pick-Up	1 Ton
1948, 1949, 1950, 1951, 1952	Pick-Up	F-1
1953, 1954, 1955	Pick-Up	F-100
1948, 1949, 1950, 1951, 1952	Pick-Up	F-2
1953, 1954, 1955	Pick-Up	F-250
1948, 1949, 1950, 1951, 1952	Pick-Up	F-3
1953, 1954, 1955	Pick-Up	F-350
1949	Sedan	2 Door
1949	Sedan	4 Door
1950, 1951	Sedan	Crestliner, 2 Door
1950	Sedan	Custom Deluxe, 2 Door
1950	Sedan	Custom Deluxe, 4 Door
1949, 1951	Sedan	Custom, 2 Door
1949, 1951	Sedan	Custom, 4 Door
1939, 1940, 1941, 1942, 1946, 1947, 1948, 1950, 1951	Sedan	Deluxe, 2 Door
1939, 1940, 1941, 1942, 1946, 1947, 1950, 1951	Sedan	Deluxe, 4 Door
1942	Sedan	Special, 2 Door
1942	Sedan	Special, 4 Door
1939, 1940	Sedan	Standard, 2 Door
1939, 1940	Sedan	Standard, 4 Door
1941, 1942, 1946, 1947, 1948	Sedan	Super Deluxe, 2 Door
1941, 1942, 1946, 1947, 1948	Sedan	Super Deluxe, 4 Door
1941, 1942, 1946, 1947, 1948	Sedan Delivery
1952, 1953, 1954, 1955	Sedan Delivery	Courier
1940	Sedan Delivery	Deluxe
1939	Sedan Delivery	Standard
1955	Thunderbird
1951, 1952, 1953, 1954	Victoria	Hardtop, 2 Door
1954	Victoria	Skyliner, Glass Top
1952, 1953, 1954, 1955	Wagon	Country Sedan, 4 Door
1952, 1953, 1954, 1955	Wagon	Country Squire, 4 Door
1955	Wagon	Mercury Custom Wagon, 4 Door
1954, 1955	Wagon	Mercury Monterey Wagon, 4 Door
1952, 1953	Wagon	Mercury Wagon, 4 Door
1952, 1953, 1954, 1955	Wagon	Ranch Wagon, 2 Door
1949, 1950	Woodie Wagon	2 Door
1951	Woodie Wagon	Country Squire, 2 Door
1939, 1940, 1941	Woodie Wagon	Deluxe, 4 Door
1949, 1950, 1951	Woodie Wagon	Mercury Wagon, 2 Door
1941, 1942, 1946, 1947, 1948	Woodie Wagon	Mercury Wagon, 4 Door
1939, 1940	Woodie Wagon	Standard, 4 Door
1941, 1942, 1946, 1947, 1948	Woodie Wagon	Super Deluxe, 4 Door

FAQs

Will this voltage regulator fit my 1951 Ford Custom Deluxe?

Yes, this part is designed to fit a wide range of models including the 1951 Custom Deluxe and other Ford sedans, coupes, and convertibles from 1939 to 1955. Always confirm your current system voltage (6V or 12V) for best results.

Is this regulator compatible with both 6V and 12V systems?

This unit is designed to match original factory specs for either 6V or 12V systems depending on your vehicle’s configuration. Please check your wiring and generator setup before ordering.

Do I need to modify my wiring or mounting bracket to install this?

Not at all. This is a direct-fit replacement and uses the original mounting points and connections—no drilling or rewiring required for factory-spec vehicles.

Does it include the proper finish for show-quality restoration?

Yes, the housing is finished to closely match OEM appearance, making it ideal for period-correct engine bays.

What are signs my voltage regulator needs replacing?

If your lights flicker, battery won’t hold charge, or you notice overcharging or erratic voltage readings, your regulator may be failing. Replacing it with a quality reproduction like this one can restore stable charging.