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  1. Home
  2. Chevrolet Trucks
  3. 1991
  4. Astro AWD
  5. Engine V6

1991 Chevrolet Trucks Astro AWD engine v6 parts catalog

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Key, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 00106751
  • Woodruff #9 .187x.750 plain (crankshaft balancer)

$?

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Nut, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

$?

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Pinion, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 00274584
  • Groove/f/.312x.375 cz; 0.375" length (flywheel location)

$?

Add to cart

Pinion, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 00274584
  • Groove/f/.312x.375 cz; 0.375" length (crankshaft balancer)

$?

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 00461345
  • Quantity in car: 1
  • Engine block oil gallery (at front) (cup 16.5, 9.7 long .89 thick-steel)
  • Usage: LM1 (LU2, LB4)

$?

Add to cart

Sprocket, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 00464617
  • Quantity in car: 1
  • Crankshaft (18 teeth) (.40/.41" tooth width)
  • Usage: LM1 (LU2, LB4), LM1 (LB4)

$?

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

$?

Add to cart

Pinion, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 01453658
  • Dowel straight 5/8 diameter 1 3/16 long (trans location)

$?

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 03701638
  • Expansion (1/2" steel) (engine block oil gallery)

$?

Add to cart

Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 09424877
  • Hexagon .312-18x.750 300m piece (camshaft sprocket)

$?

Add to cart

Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 09439930
  • Hex flanged head 1/4-20x.56 280m pzor (engine front cover)

$?

Add to cart

Camshaft, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10055487
  • Quantity in car: 1
  • Engine
  • Usage: M1 (LU2)

$?

Add to cart

Retainer, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10088128
  • Quantity in car: 1
  • Usage: LM1 (LB4), LM1 (LU2, LB4)

$9.09—12.20

Available in 38 shops

Add to cart

10088158 genuine OEM part.

Seal, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10088158
  • Quantity in car: 1
  • Usage: LM1 (LU2), LM1 (LB4)

$22.30—41.99

Available in 38 shops

Add to cart

Plug LH, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10105918
  • Quantity in car: 1
  • Engine block oil gallery (5/8 x 5/16) (cup)
  • Usage: LM1 (LB4)

$2.45—3.01

Available in 38 shops

Add to cart

Gasket, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10108435
  • Quantity in car: 1
  • Engine front cover
  • Usage: LM1 (LU2, LB4), LM1 (LB4)

$2.37—2.90

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10120990
  • Quantity in car: 1
  • Crankshaft (#1, 2, 3-standard) (standard)
  • Usage: LM1

$17.19—32.36

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10120993
  • Quantity in car: 1
  • Crankshaft (rear-standard) (standard) (rear)
  • Usage: LM1

$0.52—34.97

Available in 2 shops

Add to cart

Gasket kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10159418
  • Quantity in car: 1
  • Engine front cover (includes cr/shft seal, pan seal, timing cover & fuel pump & water pump gasket)
  • Usage: LM1 (LB4), LM1 (LU2, LB4)

$14.58—15.60

Available in 2 shops

Add to cart

Balancer, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10172764
  • Quantity in car: 1
  • Crankshaft (external)
  • Usage: LM1 (LU2, LB4)

$105.90—113.38

Available in 2 shops

Add to cart

Piston, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10181389
  • Quantity in car: 6
  • (with pinion) (standard)
  • Usage: M1 (LU2), M1 (MD8)

$97.78

Available in 1 shop

Add to cart

Piston, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10181390
  • Quantity in car: 6
  • (with pinion) (high limit)
  • Usage: M1 (LU2), M1 (MD8)

$?

Add to cart

Piston, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10181392
  • Quantity in car: 6
  • Usage: M1 (LU2), M1 (MD8)

$?

Add to cart

Camshaft, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10214713
  • Quantity in car: 1
  • Usage: LM1 (LB4)

$?

Add to cart

Crankshaft, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10224877
  • Quantity in car: 1
  • (uses single crankshaft key #14089209)
  • Usage: LM1 (LU2, LB4), LM1 (LB4)

$?

Add to cart

Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10225009
  • Quantity in car: 12
  • Usage: LM1

$3.43—3.62

Available in 2 shops

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10241154
  • Expansion, 2.1 outside diameter, cross steel, zinc (balancer shaft rear bearing hole)

$1.72—1.93

Available in 2 shops

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12329428
  • Quantity in car: 3
  • Crankshaft (#1, 2, 3 (.010 "u.s)
  • Usage: LM1

$?

Add to cart

Piston, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12361240
  • Quantity in car: 6
  • (with pinion) (.020 oversize) (use on goodwrench remanufacture engine)
  • Usage: L1 (LB4)

$3.62

Available in 1 shop

Add to cart

Ring kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12361302
  • Quantity in car: 6
  • Piston (0.020 oversize) (use on goodwrench remanufacture engine)
  • Usage: L1 (LB4)

$3.62

Available in 1 shop

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12361490
  • Quantity in car: 6
  • Connect rod (.010 undersize)
  • Usage: L1 (LB4), LM1 (LU2, LB4)

$0.75

Available in 1 shop

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12361491
  • Quantity in car: 6
  • Connect rod (.020 undersize) (use on goodwrench remanufacture engine)
  • Usage: L1 (LB4)

$?

Add to cart

Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12453170
  • Quantity in car: 1
  • Camshaft (#1)
  • Usage: LM1 (LB4)

$3.71—40.36

Available in 38 shops

Add to cart

Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12453171
  • Quantity in car: 2
  • Camshaft (#2-rear)
  • Usage: LM1 (LB4), LM1 (LU2, LB4)

$35.56—42.23

Available in 38 shops

Add to cart

Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12453172
  • Quantity in car: 1
  • Camshaft (#3)
  • Usage: LM1 (LB4), LM1 (4.3B, Z), LM1 (LU2, LB4)

$35.56—43.05

Available in 38 shops

Add to cart

Engine, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12507951
  • Quantity in car: 1
  • Usage: LM1 (LB4)

$?

Add to cart

Reinforcement, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12513961
  • Quantity in car: 1
  • Engine front cover lower flange (welded pointer)
  • Usage: LM1 (LB4, LU2)

$?

Add to cart

Piston kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12514101
  • Quantity in car: 6
  • Engine (includes pinion & rings) (standard)
  • Usage: LM1 (LB4)

$94.20—97.78

Available in 2 shops

Add to cart

Piston kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12514102
  • Quantity in car: 6
  • Engine (high limit) (with pinion & rings)
  • Usage: LM1 (LB4)

$3.62

Available in 1 shop

Add to cart

Piston kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12514103
  • Quantity in car: 6
  • Engine (.030 oversize) (with pinion & rings)
  • Usage: LM1 (LB4)

$3.05

Available in 1 shop

Add to cart

Engine, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12515913
  • Quantity in car: 1
  • Gasoline (service new) (less fuel pump hole)
  • Usage: LM1 (LB4)
  • A Service Bulletin Applies To This Part Number. Per Gm Service Policies And Procedures, Failure To Follow Bulletin Information May Result In The Rejection Of A Warranty Claim.

$?

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12531215
  • Quantity in car: 3
  • Crankshaft (#1, 2, 3 (.0001" undersize) (.001 u.s./std) (replace 0.0006" undersize bearing kit)
  • Usage: LM1 (LB4)

$30.90—38.88

Available in 38 shops

Add to cart

Sprocket, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12552128
  • Quantity in car: 1
  • Camshaft (36 teeth) (.395/.405" tooth width)
  • Usage: LM1 (LU2, LB4), LM1 (LB4)

$48.49—94.25

Available in 38 shops

Add to cart

Pinion, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12554553
  • (1/4 x 5/8) (engine front cover location)

$2.89—5.64

Available in 38 shops

Add to cart

Pinion, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12554553
  • (1/4 x 5/8) (camshaft sprocket location)

$2.89—5.64

Available in 38 shops

Add to cart

Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12561388
  • Quantity in car: 8
  • Usage: LM1 (LB4), LM1 (LU2, LB4)

$2.89—8.61

Available in 38 shops

Add to cart

Seal, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12577710
  • Quantity in car: 1
  • Crankshaft front oil
  • Usage: LM1 (LB4), LM1 (LU2, LB4)

$0.43

Available in 1 shop

Add to cart

Washer, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 12594364
  • Flat, 0.45" inside diameter, 1.75" outside diameter, 0.31" thick, sae 1010 steel, gmw3044 (crankshaft balancer)

$2.38—2.50

Available in 2 shops

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 14084945
  • 1/4-18x0.56, steel, piece (engine block oil gallery)

$5.37—6.19

Available in 38 shops

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 14084945
  • 1/4-18x0.56, steel, piece (engine block coolant drain hole)

$5.37—6.19

Available in 38 shops

Add to cart

Chain, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 14087014
  • Quantity in car: 1
  • Camshaft tmg (9-links) (dim. 5.737 36 teeth, dim. 2.879 18 teeth)
  • Usage: LM1 (LU2, LB4), LM1 (LB4)

$42.41—46.42

Available in 38 shops

Add to cart

Ring kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 14089026
  • Quantity in car: 6
  • Piston (.030 oversize)
  • Usage: LM1 (LU2, LB4)

$?

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 14090911
  • 3/8-18 dry seal (engine block oil gallery)

$0.40—2.89

Available in 2 shops

Add to cart

Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 14091563
  • Engine block oil gallery (cup 15/32 x 5/16)
  • Usage: LM1 (LB4), M1 (LU2)

$1.21—1.46

Available in 38 shops

Add to cart

Stud, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 14093637
  • Quantity in car: 2
  • Balancer shaft housing (1/4-20x1/2, 15/32od) (hexagon socket torx)
  • Usage: LM1 (LU2, LB4), LM1 (LB4)

$0.70—0.75

Available in 2 shops

Add to cart

Gasket kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 31022670
  • Quantity in car: 1
  • Engine front cover
  • Usage: LM1 (LB4), LM1 (LU2, LB4)

$?

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 88893897
  • Quantity in car: 6
  • Connect rod (standard)
  • Usage: LM1 (LU2)

$21.75—24.47

Available in 38 shops

Add to cart

Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 88893897
  • Quantity in car: 6
  • Connect rod
  • Usage: LM1 (LB4)

$21.75—24.47

Available in 38 shops

Add to cart

Ring kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 88894219
  • Quantity in car: 6
  • Usage: LM1 (LU2, LB4)

$40.93—49.67

Available in 38 shops

Add to cart

Rod, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, lu2/4.3b)

  • OEM part number: 93443044
  • Quantity in car: 6
  • Usage: LM1 (LB4), M1 (LU2)

$76.69—135.78

Available in 38 shops

Add to cart

Washer, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 00331247
  • Exhaust manifold
  • Usage: LM1 (LU2, LB4), LM1 (LB4, L35)

$?

Add to cart

Pinion, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 00585927
  • Dowel 5/16 x 9/16 steel (cylinder head location)

$?

Add to cart

Stud, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 03814692
  • Quantity in car: 12
  • Valve rocker armature ball (.003" oversize)
  • Usage: LM1 (LB4)

$?

Add to cart

Stud, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 03815892
  • Quantity in car: 12
  • Valve rocker armature ball (.013" oversize)
  • Usage: LM1 (LB4)

$?

Add to cart

Spring, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 03911068
  • Quantity in car: 12
  • Valve (with dampener)
  • Usage: LM1 (LB4)

$?

Add to cart

Lifter, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 05234890
  • Quantity in car: 12
  • Valve (roller, hydraulic)
  • Usage: LM1 (LU2, LB4)

$?

Add to cart

Spark plug, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 05614029
  • Quantity in car: 6
  • (standard plug)
  • Usage: LM1 (LU2), LM1 (LB4)

$?

Add to cart

Bolt, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 09439930
  • Hex flanged head 1/4-20x.56 280m pzor (spark plug wire retain bracket)

$?

Add to cart

Bolt, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 09442012
  • Hexagon, .375x16.00x2.25 (exhaust manifold)

$?

Add to cart

Stud, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10044997
  • Quantity in car: 12
  • Valve rocker armature ball (non-adjustable) (m10x1.5x22/m8x1x9.3)
  • Usage: LM1 (LB4)

$4.36—8.44

Available in 38 shops

Add to cart

Support RH, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10045250
  • Quantity in car: 1
  • Spark plug wire
  • Usage: LM1 (LB4, LU2)

$?

Add to cart

Rod, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10046173
  • Quantity in car: 12
  • Valve push (includes inserts)
  • Usage: LM1

$9.41—16.45

Available in 38 shops

Add to cart

Stove, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10054789
  • Quantity in car: 1
  • Engine air heat outer
  • Usage: M1 (LU2, LB4), M1 (LB4)

$?

Add to cart

Support RH, engine assembly 4.3l v6 cylinder head and related part (lb4/4.3z, lu2/4.3b)

  • OEM part number: 10054856
  • Quantity in car: 1
  • Spark plug wire (right-hand cylinder head exhaust manifold side) (rear)
  • Usage: LM1 (LB4, MD8), LM1 (LB4, MD8)

$0.43

Available in 1 shop

Add to cart

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