
GM 5.7 Marine Engines Why buy an ATK Marine Engine? ATK is a leading manufacturer of marine engines. ATK designs engines that are made with performance in mind and long lasting durability is a...
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Add to CartATK's GM 4.3L Marine Engines are precision-engineered replacement engines built specifically for marine applications since 1986. These engines undergo over 150 remanufacturing processes to meet or exceed OE specifications. Each engine block and cylinder head is magnafluxed for cracks, while camshafts are precision-ground and bearings checked for accurate clearance. Pistons and rod assemblies are balanced to minimize vibration. Every engine comes complete with an oil pump, installation gasket set, and undergoes rigorous testing for compression, oil leaks, and proper operation. These marine engines feature standard rotation, roller cams, and various configurations to match your specific application. With options ranging from 205HP to 230HP, these engines are available with aluminum or steel oil pans, different timing covers, and various intake configurations. All engines ship with no core charge and free freight within the continental U.S.
Featured procedures include:
No Core Charge
Free Freight to anywhere in the continental U.S
18 Month No Fault Warranty
Call Customer Service for more details 1-877-388-2628
# | Year | Description | Part # |
1 | 1985-1986 | GM 4.3 / 262/ 205HP Std rotation, 2 pc rear seal, 12 bolt intake Casting number: 177 | ATK-DM27 |
2 | 1986-1988 | GM 4.3 / 262 /205HP Standard rotation, 1 pc rear seal, flat tappet cam, 12 bolt intake, vlave cover bolts down center.Casting number: 553, 683 | ATK-DM28 |
3 | 1987-1992 | GM 4.3 / 262/ 205HP Std rotation, Roller cam engine. Heads have 3 bolt hole accessory mounting on the front of each head. Head casting #'s are 768, 103, 066, 996 and 476. With fuel pump hole. 12 bolt intake Casting number: 011, 867 | ATK-DM29 |
4 | 1987-1992 | GM 4.3 / 262/ 205HP Complpete with oil pan, front cover, valve covers installed. Std rotation, Roller cam engine. Heads have 3 bolt hole accessory mounting on the front of each head. Head casting #'s are 768, 103, 066, 996 and 476. With fuel pump hole. 12 bolt intake Casting number: 011, 867 | ATK-VM29 |
5 | 1992-1997 | GM 4.3 / 262/ 205HP Standard rotation, roller cam, balance shaft casting 12550286 or 10224541, no fuel pump hole, 14 bolt oil pan, 10 bolt steel front cover, 12 bolt intakeCasting number: 196, 534, 359, 535 | ATK-DMC7 |
6 | 1992-1997 | GM 4.3 / 262/ 205HP Standard rotation,Complete with oil pan, front cover, valve covers installed, roller cam, balance shaft casting 12550286 or 10224541, no fuel pump hole, 14 bolt oil pan, 10 bolt steel front cover, 12 bolt intake Casting number: 196, 534, 359, 535 | ATK-VMC7 |
7 | 1992-1997 | GM 43. / 262/ 205HP Std rotation, roller cam, no balance shaft, block casting 011, 867 , head casting 064, 181, 209. Mech fuel pump, steel front cover. Casting number: 011, 867 | ATK-DMC4 |
8 - NLA | 1996-2008 | GM 4.3 230HP Std rotation, FI, 262 Roller cam with balance shaft. Has roller rockers. Block has metric mounts. 6 bolt plastic timing cover. head casting should be 113. 8 bolt intake Casting number: 090M. This option is no longer available from the manufacturer. | ATK-DMW3 |
10 | 1996-2008 | GM 4.3 / 262/ 230HP Std rotation, Block casting 090M, metric threads, head casting 113, plastic front cover, roller cam, roller, rockers, balance shaft last 3 digits 542 or 748 Casting number: 090M | ATK-DMW4 |
11 | 1996-2008 | GM 4.3 / 262/ 230HP Std rotation, Complete w ith oil pan, front cover, valve covers installed. Block casting 090M w/ 7mm knock sensor, metric threads, head casting 113, plastic front cover, roller cam, roller, rockers, balance shaft last 3 digits 542 or 748 Casting number: 090M | ATK-VMW4 |
12 | 1996-1999 | GM 4.3 / 262/ 205HP Std rotation, block casting 090, head casting 772 or 140, roller cam, 10 bolt oil pan, 8 bolt intake. Balance shaft casting 10224542 Casting number: 090 | ATK-DMK9 |
13 | 1996-1999 | GM 4.3 / 262/ 205HP Std rotation, Complete with aluminum oil pan, front cover, valve covers installed, block casting 090, head casting 772 or 140, roller cam, 10 bolt oil pan, 8 bolt intake. Balance shaft casting 10224542 Casting number: 090 | VMK9 |
14 | 1996-1999 | GM 4.3 / 262/ 205HP Std rotation, Complete with steel oil pan, front cover, valve covers installed, block casting 090, head casting 772 or 140, roller cam, 10 bolt oil pan, 8 bolt intake. Balance shaft casting 10224542 Casting number: 090M | VMK9TP |
15 | 1996-1999 | GM 4.3 / 262/ 205HP Std rotation, block casting 090M, metric threads, head casting 140 or 772. 6 bolt plastic timing cover, 8 bolt intake. Casting number: 090M | DMW1 |
16 | 1996-1999 | GM 4.3 / 262/ 205HP Std rotation, Complete withaluminum oil pan, plastic front cover, valve covers installed.block casting 090M, metric threads, head casting 140 or 772. 6 bolt plastic timing cover, 8 bolt intake. Casting number: 090M | VMW1 |
17 |
2007-2011 | GM 4.3 / 262/ 230HP Std rotation, Block Cast #12600234/324, Balance Shaft, Head Cast # 12557113/12558114, M8 Bolts For Roller Rockers(Cast Rocker) 2 Knock Sensor Both Sides Casting number: 234, 324. | ATK-DMX1 |
18 - NLA | 2007-2011 | GM 4.3 / 262/ 230HP Complete with oil pan, front cover, valve covers installed. Std rotation, Block Cast #12600234/324, Balance Shaft, Head Cast # 12557113/12558114, M8 Bolts For Roller Rockers(Cast Rocker) 2 Knock Sensor Both Sides Casting number: 234, 324. This option is no longer available from the manufacturer. | ATK-VMX1 |
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WARNING
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