The N12C Genuine Champion UJ-10Y Small Engine Plug is a vintage spark plug designed for small engines, particularly boats. With interchange part numbers including Autolite, NGK, and Prestolite, this OEM part is new and factory-made by Champion. Suitable for gasoline fuel type, this spark plug is a reliable and high-quality component for igniting fuel and ensuring optimal engine performance on the water. Perfect for those looking to replace or upgrade their boat's ignition system, this Champion spark plug is a trusted choice for marine enthusiasts.


Fits Vehicles

International 1310 (1971)

International 1010 (1971)

International 1500D (1969-1971)

International 1500B (1967-1969)

International 1500C (1968-1969)

International MA1200 (1967)

International M1400 (1967)

International Scout II (1971)

International M800 Post Office (1971)

International M800 (1968, 1971)

International M1100 (1967-1968, 1971)

International 1210 (1971)

International 1110 (1971)

Chevrolet C60 (1960-1968)

GMC 1000 (1966)

Chevrolet Sedan Delivery (1959-1960)

Dodge MB300 (1974)

Fargo W110 Pickup (1969-1971)

Fargo A108 Van (1967-1968)

Jeep Universal Truck (1966-1969)

GMC K1000 (1966)

Fargo W200 Pickup (1966-1971)

Fargo W100 Panel Delivery (1966-1967)

Fargo D210 Pickup (1966-1971)

Fargo W100 Pickup (1966-1971)

Fargo D200 Pickup (1966-1971)

Fargo D200 Panel Delivery (1966-1967)

Fargo D100 Pickup (1966-1971)

Fargo D110 Pickup (1966-1971)

Fargo D100 Panel Delivery (1966-1967)

Checker Aerobus (1966-1968)

Chrysler 300 (1966-1971)

Pontiac Tempest (1965-1966)

GMC L3500 (1965-1967)

Studebaker Commander (1964-1966)

Pontiac Beaumont (1964-1968)

GMC B3500 (1964-1965)

Fargo A100 Van (1964-1968)

Buick Sportwagon (1964-1966)

Studebaker Hawk (1963-1964)

Studebaker Avanti (1963-1964)

Pontiac Laurentian (1963-1968)

Apollo GT (1962-1965)

Buick Special (1962-1967)

Dodge Seneca (1961)

Dodge Pioneer (1961)

Pontiac Parisienne (1960-1968)

Pontiac Strato-Chief (1960-1968)

GMC Truck (1960)

GMC 3500 (1960-1966)

GMC 3000 (1960-1966)

Fargo FW100 Panel Delivery (1960-1965)

Fargo F100 Panel Delivery (1960-1965)

Fargo FW100 Pickup (1960-1965)

Fargo F100 Pickup (1960-1965)

Dodge Truck (1960)

Dodge Phoenix (1960-1961)

Dodge Custom (1960-1961)

Plymouth Custom (1959-1961)

Chevrolet Parkwood (1959-1961)

Chevrolet Kingswood (1959-1961)

Buick Estate Wagon (1959-1964)

Chevrolet Yeoman (1958)

Chevrolet Nomad (1958-1961)

Harley-Davidson FXE Super Glide (1974)

Harley-Davidson XLH900 (1971)

Harley-Davidson FX Super Glide (1971-1974)

Harley-Davidson FLH Electra Glide (1970-1974)

Harley-Davidson FLHFB (1965-1969)

Harley-Davidson FLFB (1965-1969)

Harley-Davidson FLHB (1965-1969)

Harley-Davidson FLHF (1955-1964, 1970-1972)

Harley-Davidson FL (1948-1964)

Harley-Davidson FLF (1953-1964)

Harley-Davidson EL (1948-1952)

Harley-Davidson E (1948-1950)

Harley-Davidson F (1941-1950)

Harley-Davidson U (1937-1948)

Chevrolet K20 Panel (1967)

Chevrolet Brookwood (1958, 1960-1961)

DeSoto Adventurer (1959-1961)

Bristol 411 (1969-1974)

Bristol 410 (1967-1969)

Monteverdi 375 (1967-1974)

Bristol 409 (1965-1967)

Studebaker Cruiser (1963-1966)

Bristol 408 (1963-1965)

Bristol 407 (1961-1963)

Pontiac Acadian (1962-1968)

Jeep CJ5A (1966-1968)

GMC PB2500 Series (1965)

Jeep CJ6A (1966-1968)

GMC K1000 Pickup (1966)

GMC PB1500 Series (1965)

Kurtis 500M (1954-1955)

Jensen C-V8 (1964-1966)

Plymouth Belvedere II (1965, 1967)

Oldsmobile Jetstar I (1964-1965)

Chrysler Crown Imperial (1949)

Toyota Land Cruiser (1960-1972)

Studebaker Wagonaire (1966)

Studebaker Lark (1963-1964)

Studebaker Daytona (1963-1966)

Studebaker Challenger (1964)

Pontiac Ventura (1961)

Pontiac Star Chief (1963-1966)

Pontiac LeMans (1966)

Pontiac Grand Prix (1963-1966, 1968)

Pontiac Catalina (1961-1966, 1968)

Plymouth VIP (1967)

Pontiac Bonneville (1963-1966, 1968)

Plymouth Valiant (1964-1966)

Plymouth Superbird (1970)

Plymouth Trailduster (1974)

Plymouth Suburban (1958-1961)

Plymouth Sport Wagon (1960-1961)

Plymouth Savoy (1959-1964)

Plymouth Satellite (1965-1974)

Plymouth PB200 Van (1974)

Plymouth Road Runner (1968-1974)

Plymouth PB300 Van (1974)

Plymouth GTX (1967-1971)

Plymouth Gran Fury (1972-1973)

Plymouth Fury III (1965, 1968-1974)

Plymouth Fury II (1965, 1968-1974)

Plymouth Fury I (1968-1974)

Plymouth Fury (1963-1974)

Plymouth Fleet Special (1960-1963)

Plymouth Cuda (1970-1972)

Plymouth Belvedere (1959-1970)

Plymouth Barracuda (1965, 1967-1972)

Oldsmobile Vista Cruiser (1964-1966)

Oldsmobile Starfire (1962-1966)

Oldsmobile Toronado (1966, 1968)

Oldsmobile Super 88 (1962-1964)

Oldsmobile Jetstar 88 (1964-1966)

Oldsmobile Fiesta (1962-1964)

Oldsmobile F85 (1964-1966)

Oldsmobile Dynamic 88 (1962-1966)

Oldsmobile Delmont 88 (1967-1968)

Oldsmobile Delta 88 (1965-1966, 1968)

Oldsmobile Cutlass (1964-1967)

Oldsmobile 98 (1962-1968)

Oldsmobile 442 (1964-1968)

Jeep Universal (1966-1967)

Jeep Jeepster (1966-1971)

Jeep DJ6 (1966-1968)

Jeep FC150 (1966)

Jeep DJ5 (1966-1971)

Jeep Commando (1966-1971)

Jeep Dispatcher (1966-1969)

Jeep CJ6 (1966-1971)

Jeep CJ5 (1966-1971)

Jeep CJ3 (1966)

GMC V3000 Forward Control (1960-1962)

GMC Suburban (1960-1966)

GMC P35/P3500 Van (1968)

GMC P25/P2500 Van (1968)

GMC K35/K3500 Pickup (1968)

GMC K25/K2500 Suburban (1967-1968)

GMC K25/K2500 Pickup (1967-1968)

GMC K15/K1500 Suburban (1967-1968)

GMC K15/K1500 Pickup (1966-1968)

GMC G25/G2500 Van (1968)

GMC G15/G1500 Van (1968)

GMC C35/C3500 Pickup (1967-1968)

GMC C25/C2500 Suburban (1967-1968)

GMC C25/C2500 Pickup (1967-1968)

GMC C15/C1500 Suburban (1967-1968)

GMC C15/C1500 Pickup (1967-1968)

GMC 2500 Series (1960-1965)

GMC 1500 Series (1960-1965)

GMC 1000 Series (1960-1965)

Excalibur Phaeton (1970)

Dodge Wm300 Power Wagon (1960-1962)

Dodge W300 Series (1960-1966)

Dodge W300 Pickup (1972-1974)

Dodge W200 Series (1960-1966)

Dodge W200 Pickup (1973-1974)

Dodge W100 Series (1960-1966)

Dodge W100 Pickup (1973-1974)

Dodge Polara (1960-1973)

Dodge Matador (1960)

Dodge Lancer (1961)

Dodge M350 (1974)

Dodge M300 (1974)

Dodge Dart (1960-1962, 1968-1969)

Dodge D300 Series (1960-1966)

Dodge D300 Pickup (1972-1974)

Dodge D200 Series (1960-1966)

Dodge D200 Pickup (1973-1974)

Dodge D100 Series (1960-1966)

Dodge D100 Pickup (1973-1974)

Dodge B200 Van (1974)

Dodge B300 Van (1974)

Dodge Challenger (1970-1974)

Dodge B100 Van (1974)

Dodge 880 (1963-1965)

Dodge 440 (1963-1964)

Dodge 330 (1963-1964)

Chrysler Town & Country (1966-1971)

Chrysler Newport (1966-1971, 1973-1974)

Chrysler New Yorker (1966-1971, 1973-1974)

Chrysler Imperial (1966-1971)

Chevrolet Two-Ten Series (1955-1957)

Chevrolet P30 Van (1968)

Chevrolet P20 Van (1968)

Chevrolet One-Fifty Series (1955-1957)

Chevrolet Malibu (1964-1967)

Chevrolet K30 Pickup (1968)

Chevrolet K20 Suburban (1967-1968)

Chevrolet K20 Pickup (1967-1968)

Chevrolet K10 Suburban (1967-1968)

Chevrolet K10 Pickup (1967-1968)

Chevrolet Impala (1958, 1960-1968)

Chevrolet G20 Van (1967-1968)

Chevrolet G10 Van (1968)

Chevrolet El Camino (1967-1968)

Chevrolet Del Ray (1957-1958)

Chevrolet Corvette (1957, 1961)

Chevrolet Chevy II (1963-1968)

Chevrolet Chevelle (1964-1968)

Chevrolet Caprice (1966-1967)

Chevrolet Camaro (1967-1968)

Chevrolet C30 Pickup (1967-1968)

Chevrolet C20 Suburban (1967-1968)

Chevrolet C20 Pickup (1967-1968)

Chevrolet C10 Suburban (1967-1968)

Chevrolet C10 Pickup (1967-1968)

Chevrolet Biscayne (1958, 1960-1967)

Chevrolet Bel Air (1955-1958, 1960-1968)

Checker Marathon (1965-1968)

Buick Wildcat (1962-1966)

Buick Skylark (1964-1967)

Buick Riviera (1963-1966)

Buick Invicta (1959-1963)

Buick LeSabre (1959-1966)

Buick Gran Sport (1965-1967)

Buick Electra (1959-1966)

Avanti II (1965-1972)

Plymouth PB300 (1976-1978)

Plymouth PB200 (1976-1978)

Dodge W300 (1975-1976)

Dodge W200 (1975-1976)

Dodge W100 (1975-1976)

Dodge Royal Monaco (1975-1976)

Dodge Ramcharger (1974-1976)

Dodge Monaco (1965-1976)

Dodge D300 (1975-1976)

Dodge D200 (1975-1976)

Dodge Coronet (1965-1976)

Dodge D100 (1975-1976)

Dodge Charger (1966-1976)

Dodge B300 (1975-1976)

Dodge B200 (1975-1976)

Chrysler Cordoba (1975)

Jensen Interceptor (1967-1976)


Part Interchanges

Champion Spark Plug J12YC

DENSO W17PU

DENSO W20PU

Mopar 2642913

NGK BP6S

NGK R5670-5

Prestolite 14-32

Prestolite 14-42

ACDelco 42S

ACDelco 43S

ACDelco 44S

ACDelco B44S

ACDelco C44S

ACDelco M43S

Motorcraft A22

Motorcraft A32

Motorcraft A42

Motorcraft A42C

Motorcraft AT42

Caterpillar 9M4141

Caterpillar 9M4142

Bosch W7F

Bosch W7FC

Autolite 4275

Autolite 85

Autolite AR72

Autolite AR73

Bosch W125T6

Bosch W145T6

Bosch W175T6

Champion Spark Plug J10Y

Champion Spark Plug J11Y

Champion Spark Plug J9Y

Champion Spark Plug UJ10Y

Champion Spark Plug UJ12Y

Autolite 175

Autolite 72

Autolite 73

Autolite 74

Autolite 75

NGK R56705

Prestolite 1432

Prestolite 1442

ACCEL 134

ACCEL 137

E3 E352

Harley Davidson 34

Harley Davidson 5

Torch G6TC