Oil Pressure Sending Unit (Gauge)

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10-30-2008, 04:55 PM

Tamecrow

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Oil Pressure Sending Unit (Gauge)

I was wondering if anyone knows the difference between these 2 oil pressure sending units:

(Ford # E4ZZ9278A , Motorcraft # SW1547B)

(Ford # E4TZ9278A , Motorcraft # SW873B)

My '84 Ranger Diesel calls for E4ZZ9278A , but I have a new in the box
E4TZ9278A and was wondering if they are interchangable.

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10-31-2008, 06:54 PM

Franklin2

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I don't know what the difference is. If you look at the applications, they lap over.

E4TZ9278A
FORD AEROSTAR (1988 - 1989)
FORD BRONCO (1980 - 1987)
FORD E-100 ECONOLINE (1975 - 1983)
FORD E-100 ECONOLINE CLUB WAGON (1975 - 1982)
FORD E-150 ECONOLINE (1975 - 1991)
FORD E-150 ECONOLINE CLUB WAGON (1975 - 1987)
FORD E-150 ECONOLINE SUPER (1977 - 1991)
FORD E-150 ECONOLINE SUPER WAGON (1978 - 1982)
FORD E-250 ECONOLINE (1975 - 1991)
FORD E-250 ECONOLINE CLUB WAGON (1977 - 1988)
FORD E-250 ECONOLINE HD 1991
FORD E-250 ECONOLINE SUPER (1978 - 1991)
FORD E-250 ECONOLINE SUPER WAGON (1978 - 1984)
FORD E-350 ECONOLINE (1975 - 1991)
FORD E-350 ECONOLINE SUPER (1978 - 1991)
FORD E-350 ECONOLINE SUPER WAGON (1978 - 1988)
FORD F-100 (1975 - 1983)
FORD F-100 SUPER CAB (1977 - 1979)
FORD F-150 (1975 - 1987)
FORD F-150 SUPER CAB (1977 - 1987)
FORD F-250 (1975 - 1987)
FORD F-250 SUPER CAB (1977 - 1987)
FORD F-350 (1975 - 1987)
FORD F-350 SUPER CAB (1979 - 1980)

Please refer to catalog for application details.
-------------------------------------------------------------------------------------

E4ZZ9278A
FORD AEROSTAR (1986 - 1987)
FORD BRONCO (1975 - 1988)
FORD BRONCO II (1984 - 1987)
FORD E-100 ECONOLINE (1975 - 1983)
FORD E-150 ECONOLINE (1975 - 1991)
FORD E-150 ECONOLINE SUPER (1977 - 1991)
FORD E-250 ECONOLINE (1975 - 1991)
FORD E-250 ECONOLINE HD 1991
FORD E-250 ECONOLINE SUPER (1977 - 1991)
FORD E-350 ECONOLINE (1975 - 1991)
FORD E-350 ECONOLINE SUPER (1978 - 1991)
FORD ESCORT 1981
FORD F-150 (1975 - 1990)
FORD F-150 SUPER CAB (1977 - 1990)
FORD F-250 (1975 - 1990)
FORD F-250 SUPER CAB (1977 - 1990)
FORD F-350 (1977 - 1990)
FORD F-350 SUPER CAB (1977 - 1980)
FORD F59 STRIPPED CHASSIS (1989 - 1991)
FORD FAIRMONT (1979 - 1982)
FORD FAIRMONT FUTURA (1979 - 1983)
FORD GRANADA (1981 - 1982)
FORD MUSTANG (1979 - 1984)
FORD MUSTANG GHIA (1979 - 1982)
FORD MUSTANG GT (1984 - 1989)
FORD MUSTANG II (1975 - 1978)
FORD MUSTANG II GHIA (1975 - 1978)
FORD MUSTANG II MACH I (1975 - 1978)
FORD MUSTANG L 1984
FORD MUSTANG LX (1985 - 1989)
FORD MUSTANG SVO (1984 - 1986)
FORD RANGER (1983 - 1989)
FORD RANGER SUPER (1986 - 1989)
FORD THUNDERBIRD (1975 - 1989)
FORD THUNDERBIRD LX (1987 - 1989)
FORD THUNDERBIRD SC 1989
FORD THUNDERBIRD SPORT (1987 - 1988)
MERCURY CAPRI (1976 - 1986)
MERCURY CAPRI GHIA (1979 - 1980)
MERCURY COUGAR (1975 - 1986)
MERCURY COUGAR BROUGHAM 1977
MERCURY COUGAR BROUGHAM VILLAGER 1977
MERCURY COUGAR LS (1987 - 1989)
MERCURY COUGAR XR-7 (1976 - 1989)
MERCURY LN7 (1982 - 1983)
MERCURY LYNX 1983
MERCURY MONTEGO (1975 - 1976)
MERCURY MONTEGO MX (1975 - 1976)
MERCURY MONTEGO MX BROUGHAM (1975 - 1976)
MERCURY MONTEGO VILLAGER (1975 - 1976)
MERCURY ZEPHYR (1979 - 1982)
MERCURY ZEPHYR GS 1983
MERCURY ZEPHYR Z7 (1979 - 1983)

Please refer to catalog for application details.

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06-15-2013, 04:26 PM

warren561

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Sorry to reply to such an old thread, but I just did the oil pressure mod to my 96 F150 (4.9L).

The side the screws into the block is longer on SW873B. SW1547B is "shorter" on that side.

Both are interchangeable. However, you may need to add an extension tube if you use SW1547B on a block that is designed for SW873B.

SW873B (image from rockauto.com)