Model	Serial Range	Fuel Pump
120	1666601 - 3377340	18-7278
120	4469866 - 4952700	18-7278
120	4469866 - Below	18-7278
120	4952701 - Up	18-7278
120	5192049 - 6229717	18-7278
120	6229718 - Up	18-7278
120	6229718 - Up	18-7282
140 (6 Cyl.)	1538930 - 1725960	18-7256
140 (4 Cyl.)	2508261 - 3332137	18-7278
140	4460664 - Below	18-7278
140	4460665 - 4918569	18-7278
140	4918570 - Up	18-7278
140 (4 Cyl.)	5157669 - 6229717	18-7278
140	6229717 - Below (1)	18-7278
140	6229718 - Up	18-7282
150	1666495 - 2048046	18-7256
160	2048022 - 2770031	18-7278
165	4471566 - 4884834	18-7278
165	5178959 - Up	18-7278
165	6916779 - Up	18-7282
170 (4 Cyl.)	6916779 - Up	18-7282
175	B527955 - Up	18-7284
180	6916779 - Up	18-7282
185 (229 CID)	6330183 - Up	18-7284
185 (262 CID)	A331455 - Up	18-7284
190 (4 Cyl.)	6916779 - Up	18-7282
198 GM	4762210 - 6218461	18-7274
200	2453769 - 2712072	18-7278
200 GM	6218462 - Up	18-7283
200	B525982 - Up	18-7283
205 (262 CID)	A331455 - Up	18-7284
205	B527955 - Up	18-7284
215 Ford	3085036 - Below	18-7267
215 Ford	3258182 - Up	18-7267
225 Ford	3385721 - Up	18-7267
228 GM	4765100 - 5170008	18-7274
228 GM	5170009 - 6218461	18-7274
228 GM	6218462 - Up	18-7283
230 GM Inboard	5907058 - Up	18-7283
230 GM	6218462 - Up	18-7283
230	B522506 - Up	18-7283
230	B525982 - Up	18-7283
233 FORD	4500860 - Up	18-7267
250 GM	4768000 - 4908849	18-7274
255 FORD	3258728 - Up	18-7267
255 GM	4175500 - 5195908	18-7274
255 GM	5195909 - Up	18-7274
260 GM	4908850 - 6218461	18-7274
260 GM Inboard	5907058 - Up	18-7283
260	5907058 - Up	18-7283
260 GM	6218461 - Up	18-7283
260 GM	B525982 - Up	18-7283
280 GM	4176250 - Up	18-7274
300 MR	6668677 - Up	18-7283
300 TRS GM	6668677 - Up	18-7283
325 GM	2278747 - 3640670	18-7275
330 GM	4623115 - Up	18-7275
330 GM/W.B.W.	6083145 - Up	18-7288
340	5889914 - Up	18-7288
350 GM	3780450 - Up	18-7275
350 GM (MAGNUM)	A635178 - Up	18-7283
350 (MAG-TOURNEY SKI)	D505450 - Up	18-7283
370 TRS-GM	6721528 - Up	18-7288
390 GM	2781129 - 2825059	18-7275
420 GM	A398941 - Up	18-7288
425 GM	A398941 - Up	18-7288
454 GM (MAGNUM)	A631894 - Up	18-7288
454 MAG. BRAVO GM	B840126 - Up	18-7288
470	5097479 - Below	18-7278
470	5097480 - Up	18-7278
470	5520115 - 6218036	18-7278
470	6218037 - Up	18-7278
485	5685394 - Up	18-7278
488	6170297 - Up	18-7278
888 Ford	3108723 - Up	18-7267
898	4762210 - 6218461	18-7274
898 GM	6218462 - Up	18-7283
2.5L	6229718 - Up	18-7278
2.5L	6229718 - Up	18-7282
3.0L	6229717 - Below (1)	18-7278
3.0L	6229718 - Up	18-7282
3.0L	C856559 - Up	18-7282
3.0LX	C856559 - Up	18-7282
3.7L (4 Cyl.)	6916779 - Up	18-7282
3.7LX (4 Cyl.)	6916779 - Up	18-7282
4.3L (262 CID)	B527955 - Up	18-7284
4.3LX (262 CID)	B527955 - Up	18-7284
5.0L GM	B525982 - Up	18-7283
5.0L GM (IB)	B522506 - Up	18-7283
5.0LX GM	B525982 - Up	18-7283
5.7L GM (IB)	5907058 - Up	18-7283
5.7L GM (SKI)	A338553 - Up	18-7283
5.7L GM (SKI)	B514627 - Up	18-7283
5.7L BRAVO (GM)350	B525982 - Up	18-7283
5.7L GM	B525982 - Up	18-7283
5.7L GM	F025000 - Up	18-7283
7.4L GM (IB)	5889914 - Up	18-7288
7.4L BRAVO GM	B771113 - Up	18-7288
7.4L W/HURTH (IB)	C391564 - Up	18-7288
Model	Serial Range	Fuel Pump

Notes: (1) : Old Design