GMC Trucks 1991, Syclone 4WD, Engine V6 genuine OEM parts

OEM part number: 12337972
Quantity in car: 1
Exhaust gas recirculation valve (used with exhaust gas recirculation valve having attaching bolts 58.0 millimeter apart)
Usage: T106 (03) (LB4, ZR9)

$0.70—3.54

Available in 38 shops

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Gasket, engine assembly 4.3l v6 manifold and fuel related parts (syclone zr9)

OEM part number: 12555896
Quantity in car: 1
Exhaust gas recirculation valve
Usage: T1 (L35)

$4.43—9.23

Available in 38 shops

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Cap, engine assembly 4.3l v6 manifold and fuel related parts (syclone zr9)

OEM part number: 15661565
Quantity in car: 1
Vacuum portion
Usage: T106 (03) (LB4, ZR9)

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Hose, engine assembly 4.3l v6 manifold and fuel related parts (syclone zr9)

OEM part number: 15661595
Quantity in car: 1
Positive crankcase ventilation valve (to manifold)
Usage: T106 (03) (LB4, ZR9)

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Hose, engine assembly 4.3l v6 manifold and fuel related parts (syclone zr9)

OEM part number: 15661596
Quantity in car: 1
Positive crankcase ventilation valve
Usage: T106 (03) (LB4, ZR9)

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Gasket, engine assembly 4.3l v6 manifold and fuel related parts (syclone zr9)

OEM part number: 10105351
Quantity in car: 1
Throttle body
Usage: T106 (03) (LB4, ZR9)

$3.27—3.92

Available in 38 shops

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Fitting, engine assembly 4.3l v6 manifold and fuel related parts (syclone zr9)

OEM part number: 14088336
Quantity in car: 1
Intake manifold vacuum (together with 343350 as required) (4 port: 3/8-18) (when using fitting (4-way)in place of a fitting with fewer (tubes, plug extra tubes as required using caps-525370 (.258 inside diameter), 3
Usage: T1 (LB4), T106 (03) (LB4, ZR9)

$12.33—13.80

Available in 38 shops

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Engine, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12515913
Quantity in car: 1
Gasoline (service new) ("t" model use oil pan 10239674 and oil pump screen 10231280;"s"model use oil pan 10172789 and oil pump screen 10231281;"st" spring 10044435) (less fuel pump hole)
Usage: ST1 (LB4)

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Engine, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12507951
Quantity in car: 1
(service partial) (need (2) retainers for lifter pn 10172784 and (4) bolts pn 180075 together with 120386) (without counter balance shaft)
Usage: ST1 (LB4, MD8, MY2) (EXC Z79)

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Engine, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12507951
Quantity in car: 1
(service partial) (need (2) retainers for lifter pn 10172784 and (4) bolts 180075 together with 120386) (without counter balance shaft)
Usage: ST1 (LB4) (EXC ZR9)

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Ring kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12361302
Quantity in car: 1
Piston (0.020 oversize) (use on goodwrench remanufacture engine)
Usage: ST1 (LB4)

$3.62

Available in 1 shop

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Ring kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12507986
Quantity in car: 6
Piston (.030 oversize)
Usage: ST1 (LB4)

$85.87

Available in 1 shop

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Ring kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 14089026
Quantity in car: 6
Piston (.030 oversize)
Usage: ST1 (LB4)

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Ring kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 88894219
Quantity in car: 6
Usage: ST1 (LB4)

$40.93—49.67

Available in 38 shops

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Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10225009
Quantity in car: 12
Connect rod (3/8-24 x 1 1/2)
Usage: ST1 (LB4)

$3.43—3.62

Available in 2 shops

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12361490
Quantity in car: 6
Connect rod (.010 undersize)
Usage: ST1 (LB4)

$0.75

Available in 1 shop

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12361491
Quantity in car: 6
Connect rod (.020 undersize) (use on goodwrench remanufacture engine)
Usage: ST1 (LB4)

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 88893897
Quantity in car: 6
Connect rod (standard)
Usage: ST1 (LB4)

$21.75—24.47

Available in 38 shops

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Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10241154
Expansion, 2.1 outside diameter, cross steel, zinc

$1.72—1.93

Available in 2 shops

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Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 00838538
Water jacket side (engine block core hole)

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Nut, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 00225854
Hexagon 3/8-24 zinc coated 301m

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Seal, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10088158
Quantity in car: 1
Usage: ST1 (LB4), ST1 (LB4)

$22.30—41.99

Available in 38 shops

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Crankshaft, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10224877
Quantity in car: 1
(uses single crankshaft key #14089209)
Usage: ST1 (LB4)

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Pinion, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 00274584
Groove/f/.312x.375 cz; 0.375" length

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Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12561388
Quantity in car: 8
Usage: ST1 (LB4, L35)

$2.89—8.61

Available in 38 shops

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Balancer, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10172764
Quantity in car: 1
Crankshaft (casting) (external)
Usage: ST1 (LB4)

$105.90—113.38

Available in 2 shops

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10120990
Quantity in car: 3
Crankshaft (#1, 2, 3) (standard)
Usage: ST1 (LB4)

$17.19—32.36

Available in 38 shops

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10120993
Quantity in car: 1
Crankshaft (standard) (rear)
Usage: ST1 (LB4)

$0.52—34.97

Available in 2 shops

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12329428
Quantity in car: 3
Crankshaft (#1, 2, 3) (.010 undersize)
Usage: ST1 (LB4)

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12329429
Quantity in car: 3
Crankshaft (#1, 2, 3) (.020 undersize)
Usage: ST1 (LB4)

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12329794
Quantity in car: 1
Crankshaft (rear) (.020 u.s./std flange)
Usage: ST1 (LB4)

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Bearing kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12531215
Quantity in car: 3
Crankshaft (#1, 2, 3) (.001 u.s./std) (replace 0.0006" undersize bearing kit)
Usage: ST1 (LB4)

$30.90—38.88

Available in 38 shops

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Pinion, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12554553

$2.89—5.64

Available in 38 shops

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Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 00461345
Quantity in car: 2
Cylinder head oil galleries (at front)
Usage: ST1 (LB4)

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Camshaft, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10214713
Quantity in car: 1
Usage: ST1 (LB4)

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Chain, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 14087014
Quantity in car: 1
Camshaft tmg (9-links) (dim. 5.737 36 teeth, dim. 2.879 18 teeth)
Usage: ST1 (LB4)

$42.41—46.42

Available in 38 shops

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Sprocket, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12552128
Quantity in car: 1
Camshaft (36 teeth) (.395/.405" tooth width)
Usage: ST1 (LB4)

$48.49—94.25

Available in 38 shops

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Sprocket, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 00464617
Quantity in car: 1
Crankshaft (18 teeth) (.40/.41" tooth width)
Usage: ST1 (LB4)

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Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 09424877
Hexagon .312-18x.750 300m piece

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Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12453170
Quantity in car: 2
Camshaft (#1 & rear) (for engines stamped with "t" below right-hand cylinder head)
Usage: ST1 (LB4, L35)

$3.71—40.36

Available in 38 shops

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Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12453170
Quantity in car: 1
Camshaft (#1) (for engines stamped with "w" below right-hand cylinder head)
Usage: ST1 (LB4, L35)

$3.71—40.36

Available in 38 shops

Add to cart

Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12453170
Quantity in car: 1
Camshaft (#1)
Usage: ST1 (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, excluding zr9/z79)

OEM part number: 12453171
Quantity in car: 1
Camshaft (#3) (for engines stamped with "t" below right-hand cylinder head)
Usage: ST1 (LB4)

$35.56—42.23

Available in 38 shops

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Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12453171
Quantity in car: 2
Camshaft (#2-rear)
Usage: ST1 (LB4)

$35.56—42.23

Available in 38 shops

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Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12453172
Quantity in car: 1
Camshaft (#3) (for engines stamped with "w" below right-hand cylinder head)
Usage: ST1 (LB4)

$35.56—43.05

Available in 38 shops

Add to cart

Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12453172
Quantity in car: 1
Camshaft (#2) (for engines stamped with "t" below right-hand cylinder head)
Usage: ST1 (LB4)

$35.56—43.05

Available in 38 shops

Add to cart

Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12453172
Quantity in car: 1
Camshaft (#3)
Usage: ST1 (LB4)

$35.56—43.05

Available in 38 shops

Add to cart

Bearing, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12543170
Quantity in car: 1
Camshaft (#1) (for engines stamped with "w" below right-hand cylinder head)
Usage: ST1 (LB4, L35)

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Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 14091563
Engine oil manifold hole (cup 15/32 x 5/16)
Usage: ST1 (LB4)

$1.21—1.46

Available in 38 shops

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Plug, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10105889
Quantity in car: 1
Knock sensor hole
Usage: S1 (LB4)

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Key, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 14089209
Quantity in car: 1
Crankshaft balance (woodruff) (crankshaft balancer) (length, 36.7mm) (width 4.77mm)

$2.76—3.67

Available in 38 shops

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Bolt, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 14093637
Quantity in car: 2
Camshaft retain (1/4-20x1/2, 15/32od) (hexagon socket torx)
Usage: ST1 (LB4)

$0.70—0.75

Available in 2 shops

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Retainer, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10088128
Quantity in car: 1
Usage: ST1 (LB4)

$9.09—12.20

Available in 38 shops

Add to cart

Piston kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12514101
Quantity in car: 6
Usage: ST1 (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, excluding zr9/z79)

OEM part number: 12514102
Quantity in car: 1
Usage: ST1 (LB4)

$3.62

Available in 1 shop

Add to cart

Piston kit, engine assembly 4.3l v6 block and internal parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12514103
Quantity in car: 1
Usage: ST1 (LB4)

$3.05

Available in 1 shop

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Wire, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12073958
Quantity in car: 1
Spark plug #1 cylinder (style rear, 36in)
Usage: ST1 (LB4), ST1 (LB4, L35)

$14.31—16.10

Available in 2 shops

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Wire, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12073991
Quantity in car: 1
Spark plug #3 cylinder (style aa, 26in)
Usage: ST1 (LB4)

$10.55—11.87

Available in 2 shops

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Wire, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12073991
Quantity in car: 1
Spark plug #5 cylinder (style aa, 26in)
Usage: ST1 (LB4)

$10.55—11.87

Available in 2 shops

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Wire, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12073992
Quantity in car: 1
Spark plug #4 cylinder (style aa, 28in)
Usage: ST1 (LB4)

$9.90—11.14

Available in 2 shops

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Wire, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12073993
Quantity in car: 1
Spark plug #2 cylinder (style aa, 32in)
Usage: ST1 (LB4), ST1 (LB4, L35)

$13.52—15.21

Available in 2 shops

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Wire, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12096420
Quantity in car: 1
Spark plug #3 cylinder (style s, 24in)
Usage: ST1 (LB4)

$0.92—12.08

Available in 2 shops

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Wire, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 12096420
Quantity in car: 1
Spark plug #5 cylinder (style s, 24in)
Usage: ST1 (LB4, L35)

$0.92—12.08

Available in 2 shops

Add to cart

Support LH, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10137607
Quantity in car: 1
Spark plug wire (used at left-hand middle of head rear)
Usage: ST1 (LB4, CTF), ST1 (LB4, L35)

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Support RH, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10137610
Quantity in car: 1
Spark plug wire
Usage: ST1 (LB4, CTF)

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Support RH, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10137610
Quantity in car: 2
Spark plug wire (rear) (when replacing old support, customer may also require 2-12132228 (7mm) or 2-12084629 (8mm) wire retainers)
Usage: ST1 (LB4, MD8, MY2, NM8) (EXC CTF)

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Support LH, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10137613
Quantity in car: 1
Spark plug wire (used at left-hand front of head)
Usage: ST1 (LB4, CTF), ST1 (LB4, L35)

$0.43

Available in 1 shop

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Support RH, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10137644
Quantity in car: 1
Usage: S1 (LB4, L35)

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Support, engine assembly 4.3l v6 cylinder head and related parts (lb4/4.3z, excluding zr9/z79)

OEM part number: 10201323
Quantity in car: 1
Spark plug wire (right-hand rear at firewall)
Usage: ST1

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1991 GMC Trucks Syclone 4WD engine v6 parts catalog