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Sierra Marine Parts Catalog: Accessories Miscellaneous

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Many fuel pumps are often used on similar engines. In
order to identify the correct fuel pump for your application,
it is necessary to determine the position of the inlet, outlet
and separator fitting (where applicable) in relation to the
rocker arm. The angle between the rocker arm and the
fuel inlet is expressed in terms of clock position. Place
pump with rocker arm in the 12 o'clock position. The
rocker arm must be held behind the fuel pump body. (The
bottom of the fuel pump body must face you.) Observe
the relationship of the fuel inlet to the rocker arm. This
position is the clock position of the pump. Examples of
this in the outline drawing below show that if the fuel inlet
is at position "A", it is considered a 6 o'clock pump, if at
position "B". a 3 o'clock pump, and at position "C" an 8
o'clock pump.
AC STYLE FUEL PUMPS
Engines Manufactured Before February 1, 1979
CLOCK POSITION
ENGINE
APPLICATION
FLANGE I.D.#
INLET
OUTLET
SEPARATOR
PART #
GM153,230,250,292, (4&6 cyl)
Crusader, Mercruiser,OMC
6790
8
4
--
18-7256
Hercules B,D,J,JXD,
Series, M Series
Chris-Craft , US Marine, Owens Yacht
7241
6
9
--
--
GM225, PB-V215 (V-6)
OMC, Palmer
40001
8
4
--
18-7258
GM-V-8,283,307,327,350,409
Chris-Craft, Owens, Universal,Crusader
40155
9
3
10
18-7260
GM V-8 307,350
OMC
40778
4
10
9
--
Chrysler V-8 273,318,340,360
Chrysler
40781
4
8
--
18-7264
Engines Manufactured After January 31,1979
Chrysler V-8 318,360
Chrysler
6766
4
8
4
18-7254
Chrysler V-8 361,400,413,440
Chrysler
6767
4
8
4
18-7255
GM V-8 305,350,400
Mercruiser, OMC, Chris-Craft
41412
9
3
9
18-7265
Ford V-8 302,351
Ford, Mercruiser, Commander
41413
5
4
4
18-7266
Ford V-8 302
OMC, Mercruiser, Pleasurecraft,
Thermo-Electron
41414
7
5
4
18-7267
GM V-8 305,307,350,400
Harman, OMC, Thermo-Electron
(5.25-6.5 PSI)
41415
7
5
8
18-7268*
GM V-8 454
Mercruiser
41416
9
8
7
--
GM V-8 305,350,400
Thermo-Electron (5.75-7PSI)
41417
7
5
8
18-7270
GM V-8 454
Thermo-Electron
41418
3
9
8
18-7271
GM V-8 283,305,350,400
Chris-Craft,Crusader,Hardin,
Thermo-Electron (5.75-6.5 PSI)
41419
3
9
8
18-7272
GM V-8 305,350,400
Mercruiser
41421
10
9
7
18-7274
GM V-8 454
Hawk, Mercruiser
41422
9
3
7
18-7275
*18-7268 Dual Diaphragm requires sight glass
CARTER STYLE FUEL PUMPS
SIGHT TUBE
ENGINE
APPLICATION
FLANGE I.D. #
INLET
OUTLET
CONNECTION
PART #
GM (4 & 6 cyl) 153,181,250,225
Chris-Craft, Indmar, Marine Power,
Mercruiser, OMC
60032
8
4
3
18-7278
GM V-8 305,350
Volvo Penta
6973
9
11
9
18-7281
For Inline (4 cyl) 120, 140, 3.0L, 224 CID
Mercruiser
60337
8
3
8
18-7282
GM V-6 262/4.36
OMC
60201
2
4
9
18-7289
GM V-8 305,350
Mercruiser, Panther
60600
10
9
4
18-7283
GM V-6 231,262
Hardin, Mercruiser
60315
8
3
8
18-7284
XP Stamped Steel Pump
Volvo Penta AQ120B (spec# 867465),
AQ125A/B, AQ131A/B/C/D, AQ140A
(spec# 867464), BB140A, AQ145A,
BB145A, AQ151A/B/C, AQ171A/C,
AQ230A/B, AQ250A/B, AQ251A
60029
3
6
11
18-7286
141