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You are here: Marine Parts » Shop All Marine Products » Engines, Sterndrives, and Transmissions » Long Block Marine Engines » Remanufactured Long Block's » GM Marine Longblock's (MerCruiser, Volvo, Etc) » Remanufactured 4.3L V6 GM Mercruiser Marine Longblock Engines

Remanufactured 4.3L V6 GM Mercruiser Marine Longblock Engines

Where Do I Find My 6 Cylinder Block Casting Number?

4.3L V6 Marine Longblocks can be a little more challenging when attempting to verify the correct model due to a variety of different block codes and balance shaft options. This link will help guide you through the correct selection process when identifying your V6 Marine Engine..How to Select the Proper V6 Marine Longblock Engine

GM 6-Cylinder Engines

Long Block

Years
Approx.
Description HP Liter/
CID
Cyls Block
Casting
Numbers
Standard
Rotation
Reverse
Rotation
80-84 Valve covers bolt around perimeter. 175 3.8L
229 CID
V-6 594 GM229LA --
70-80 In-line 6 cylinder engine. 150 & 165 4.1L
250 CID
L-6 855, 675, 127, 466, 575 GM250LA --
85-86 2 piece rear main seal. This is the early style block. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 177 GM262LA GM262RA
86-88 1 piece rear main seal. Non roller cam engine. Valve cover bolts down center. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 553, 683 GM262LB GM262RB
87-92 1 piece rear main seal. Roller cam engine. Has 2 accessory holes on front of head. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 011, 867, 611 GM262LC (Not Available) GM262RC (Not Available)
87-92 Roller cam engine. Heads have 3 bolt hole accessory mounting on the front of each head. Head casting numbers are 768, 103, 066, 996 and 476. With fuel pump hole. 12 bolt intake. This engine can be used to replace the GM262LC. 175 & 205 4.3L
262 CID
V-6 011, 867 GM262LH --
92-97 Roller cam engine with balance shaft. Has a 10 bolt front timing cover. No fuel pump hole. Balance shaft casting numbers must be 10224542 or 10172748. Must check balance shaft casting number. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 196, 534, 535, 359 GM262LD (Not Available) --
95-99 Roller cam engine with balance shaft. Has 6 bolt front timing cover and 14 bolt oil pan rail. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 196, 534, 535, 359 GM262LE (Not Available) --
92-96 Roller cam engine with wide intake. Head casting numbers 064, 209 or 181. last three digits. 4 bolt lifter hold down. No fuel pump hole, no balance shaft. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 756, 073, 061 GM262LF --
96-99 Roller cam engine with balance shaft. Balance shaft casting 10224542. Has 6 bolt timing cover and 10 bolt oil pan rail. Head casting number 772 and 140 last three digits. 8 bolt intake. 175 & 205 4.3L
262 CID
V-6 090 GM262LG --
92-99 Roller cam engine with balance shaft. Balance shaft casting numbers must be 12550286, 10224541. Must have 10 bolt timing cover and 14 bolt oil pan Without fuel pump hole. 12 bolt intake. 175 & 205 4.3L
262 CID
V-6 196, 534, 359, 535 GM262LI --
96-09 Roller cam with balance shaft. Has roller rockers. Block has metric mounts. 6 bolt timing cover. head casting should be 113. 8 bolt intake. 200 & 230 4.3L
262 CID
V-6 090M GM262LJ --
63-73 7/16 fly wheel bolts. 2 bolt starter pad. 200 4.8L
292 CID
L-6 258, 404, 659, 970 GM292LA GM292RA
63-73 1/2 fly wheel bolts. 3 bolt starter pad. 200 4.8L
292 CID
L-6 GM292LB --

GM229LA --
GM250LA --
GM262LA GM262RA
GM262LB GM262RB
GM262LC (Not Available) GM262RC
GM262LH --
GM262LD (Not Available) --
GM262LE (Not Available) --
GM262LF --
GM262LG --
GM262LI --
GM262LJ --
GM292LA GM292RA
GM292LB --
GM229LAT --
GM250LAT --
GM262LAT GM262RAT
GM262LBT GM262RBT
GM262LCT (Not Available) GM262RCT
GM262LHT --
GM262LDT (Not Available) --
GM262LET --
GM262LFT --
GM262LGT --
GM262LIT --
GM262LJT --
-- --
-- --
SGM229LA --
SGM250LA --
SGM262LA SGM262RA
SGM262LB SGM262RB
SGM262LC SGM262RC
-- --
SGM262LD --
SGM262LE --
-- --
SGM262LG --
-- --
-- --
SGM292LA --
SGM292LB --

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