Engine Assembly-Block & Internal Parts fit your 1991 GMC Syclone 4WD

Currently shopping for

1991 GMC Syclone 4WD

Change Vehicle

Categories Close X

Currently selected

Engine

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers

Cooling System, Grille, Oil System

Frames, Springs, Shocks, Bumpers, Fascias

Front Axle, Front Suspension, Steering

Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Body Structure, Moldings & Trim, Cargo Stowage

Starter, Generator, Ignition, Electrical, Lamps

Transfer Case

Transmission - Automatic

Transmission - Manual

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

14090906
SEAL, Engine Front Cover & Crankshaft Seal, SEAL,CRANKSHAFT FRONT OIL(61.57/61.37 MM O.D.)
$38.03 $20.16
1
Add To Cart

BEARING KIT, Engine Crankshaft Main
12531215
BEARING KIT, CRANKSHAFT(#1,2,3)(.001 UNDERSIZE/STD)(REPLACE 0.0006" UNDERSIZE BEARING KIT)
Fitting Vehicle Options: T106(03)(LB4,ZR9), T1(LB4), ST1(LB4)
Require Quantity: 03
Package Quantity: 1
$58.20 $35.17
1
Add To Cart
10120990
BEARING KIT, CRANKSHAFT(#1,2,3)(STD)
- Fitting Vehicle Options: T106(03)(LB4,ZR9), T1(LB4), ST1(LB4)
- Require Quantity: 03
- Package Quantity: 1
$38.79 $23.45
1
Add To Cart
10120993
BEARING KIT, CRANKSHAFT(STD)(REAR)
- Fitting Vehicle Options: T106(03)(LB4,ZR9), T1(LB4), ST1(LB4)
$55.80 $25.82
1
Add To Cart
12329758
BEARING KIT, CRANKSHAFT(.002 UNDERSIZE)
- Fitting Vehicle Options: T106(03)(ZR9)
$25.94 $13.05
1
Add To Cart
12329794
BEARING KIT, CRANKSHAFT(REAR)(.020 UNDERSIZE/STD FLANGE)
- Fitting Vehicle Options: T106(03)(LB4,ZR9), T1(LB4), ST1(LB4)
$55.94 $27.75
1
Add To Cart
12329428
BEARING KIT, CRANKSHAFT(#1,2,3)(.010 UNDERSIZE)
- Fitting Vehicle Options: T1(LB4), ST1(LB4)
- Require Quantity: 03
- Package Quantity: 1
12329429
BEARING KIT, CRANKSHAFT(#1,2,3)(.020 UNDERSIZE)
- Fitting Vehicle Options: T1(LB4), T106(03)(LB4,ZR9), ST1(LB4)
- Require Quantity: 03
- Package Quantity: 1

12554553
PIN, Engine Front Cover, PIN,(1/4 X 5/8)(0.738)
$9.62 $6.12
1
Add To Cart

14093637
BOLT, Engine Camshaft, BOLT,CAMSHAFT RETAINER(1/4-20X1/2, 15/32OD)(HEXAGON SOCKET TORX)
- Require Quantity: 02
- Package Quantity: 10
$2.37 $1.49
10
Add To Cart

10088158
SEAL, Engine Rear Main Bearing, SEAL,CRANKSHAFT REAR OIL
$52.61 $31.78
1
Add To Cart

12552128
SPROCKET, Engine Camshaft, SPROCKET,CAMSHAFT(36 TEETH)(.395/.405" TOOTH WIDTH)
$200.70 $126.98
1
Add To Cart

12561388
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP(7/16-14X3.34)
- Require Quantity: 08
- Package Quantity: 1
$10.64 $6.75
1
Add To Cart

14091563
PLUG, Engine Oil Distribution, PLUG,ENGINE OIL MANIFOLD HOLE(CUP 15/32 X 5/16)
$4.03 $2.56
1
Add To Cart

OFF ROAD), Engine Block

94673017
OFF ROAD)(DO NOT CATALOG)(41.1 MM
$7.02 $4.46
1
Add To Cart
94673017
OFF ROAD)(DO NOT CATALOG)(41.1 MM(ENGINE BLOCK CORE HOLE)
$7.02 $4.46
1
Add To Cart

PIN, Engine Flywheel
10046031
PIN, FLYWHEEL LOCATING(DOWEL)(3.686)
Fitting Vehicle Options: T106(03)(LB4,ZR9), T1(LB4)
$5.90 $3.75
5
Add To Cart
10046031
PIN, FLYWHEEL LOCATING(3.686)
- Fitting Vehicle Options: T1(LB4)
$5.90 $3.75
5
Add To Cart

10088128
RETAINER, Engine Camshaft, RETAINER,CAMSHAFT
$20.19 $12.83
1
Add To Cart

10225009
BOLT, Engine Connecting Rod Cap, BOLT,CONNECT ROD(ALSO PART OF ITEM #105)(3/8-24 X 1 1/2)
- Require Quantity: 12
- Package Quantity: 1
$5.77 $4.68
1
Add To Cart

RING KIT, Engine Piston
14089026
RING KIT, PISTON(.030 OVERSIZE)(.030 OVERSIZE)
Fitting Vehicle Options: T1(LB4), T106(03)(LB4,ZR9), ST1(LB4)
Require Quantity: 06
Package Quantity: 1
$50.58 $25.08
1
Add To Cart
88894219
RING KIT, PISTON(STD)
- Fitting Vehicle Options: T106(03)(LB4,ZR9), T1(LB4), ST1(LB4)
- Require Quantity: 06
- Package Quantity: 1
$88.18 $56.03
1
Add To Cart
12361302
RING KIT, PISTON(0.020 OVERSIZE)(USE ON GOODWRENCH REMANUFACTURE ENGINE)
- Fitting Vehicle Options: T1(LB4), ST1(LB4)

BEARING KIT, Engine Connecting Rod
19256448
BEARING KIT, CONNECT ROD(STD)
Fitting Vehicle Options: T106(03)(LB4,ZR9), T1(LB4), ST1(LB4)
Require Quantity: 06
Package Quantity: 1
$25.08 $15.15
1
Add To Cart
12361490
BEARING KIT, CONNECT ROD(.010 UNDERSIZE)
- Fitting Vehicle Options: T1(LB4), T1(LB4,ZR9), ST1(LB4)
- Require Quantity: 06
- Package Quantity: 1
12361491
BEARING KIT, CONNECT ROD(.020 UNDERSIZE)(USE ON GOODWRENCH REMANUFACTURE ENGINE)
- Fitting Vehicle Options: T1(LB4), ST1(LB4)
- Require Quantity: 06
- Package Quantity: 1

BEARING, Engine Camshaft & Balance Shaft Front
12453171
BEARING, CAMSHAFT(#2-REAR)
Fitting Vehicle Options: T1(LB4)(EXC CV2), T106(03)(ZR9)(EXC CV2), ST1(LB4)(EXC CV2)
Require Quantity: 02
Package Quantity: 1
$80.24 $39.79
1
Add To Cart
19301057
BEARING, CAMSHAFT(#2-REAR)
- Fitting Vehicle Options: T1(LB4,CV2)(EXPORT), T106(03)(ZR9,CV2)(EXPORT), ST1(LB4,CV2)(EXPORT)
- Require Quantity: 02
- Package Quantity: 1
$38.36 $31.28
1
Add To Cart
12453170
BEARING, CAMSHAFT(#1)
- Fitting Vehicle Options: T1(LB4), T106(03)(LB4,ZR9), ST1(LB4)
12453172
BEARING, CAMSHAFT(#3)
- Fitting Vehicle Options: T1(LB4)(EXC CV2), T106(03)(LB4,ZR9)(EXC CV2), ST1(LB4)(EXC CV2)

14087014
CHAIN, Engine Timing, CHAIN,CAMSHAFT TIMING(9-LINKS)(DIM 5.737 36 TEETH,DIM 2.879 18 TEETH)
$88.46 $56.22
1
Add To Cart

464617
SPROCKET, Engine Crankshaft/Timing, SPROCKET,CRANKSHAFT(18 TEETH)(.40/.41" TOOTH WIDTH)
$48.61 $24.10
1
Add To Cart

9424877
BOLT, Engine Camshaft Gear, BOLT,HEXAGON .312-18X.750 300M PC(8.900)
$3.43 $2.20
5
Add To Cart

10172764
BALANCER, Engine Crankshaft And Camshaft Balancer, BALANCER,CRANKSHAFT(CASTING)

10214713
CAMSHAFT, Engine, CAMSHAFT,ENGINE

10224877
CRANKSHAFT, Engine, CRANKSHAFT,(USES SINGLE CRANKSHAFT KEY #14089209)

PISTON, Engine Piston
12361240
PISTON, (W/PINION)(.020 OVERSIZE)(USE ON GOODWRENCH REMANUFACTURE ENGINE)
Fitting Vehicle Options: T1(LB4)
12508702
PISTON, (W/PINION)(STD)
- Fitting Vehicle Options: T106(03)(LB4,ZR9)
- Require Quantity: 06
- Package Quantity: 1
12508703
PISTON, (W/PINION)(SERVICE HIGH LIMIT)
- Fitting Vehicle Options: T106(03)(LB4,ZR9)
- Require Quantity: 06
- Package Quantity: 1
12508704
PISTON, (W/PINION)(.030 OVERSIZE)
- Fitting Vehicle Options: T106(03)(LB4,ZR9)
- Require Quantity: 06
- Package Quantity: 1

12507951
ENGINE, Cylinder and case, ENGINE,(SERVICE PARTIAL)(NEED (2) RETAINERS FOR LIFTER PN 10172784 AND (4) BOLTS 180075 TOGETHER WITH 120386)(*02)(W/O COUNTER BALANCE SHAFT)

PISTON KIT, Engine Piston
12514101
PISTON KIT, ENGINE(INCLUDE ITEMS #103,104)(INCLUDES PINION & RINGS)(STD)
Require Quantity: 06
Package Quantity: 1
12514102
PISTON KIT, ENGINE(INCLUDE ITEMS #103,104)(HIGH LIMIT)(W/PINION & RINGS)
12514103
PISTON KIT, ENGINE(INCLUDE ITEMS #103,104)(.030 OVERSIZE)(W/PINION & RINGS)

12515321
ENGINE, New/Remanufactured, ENGINE,GASOLINE (SERVICE NEW)(*01)

PLUG, Cylinder Head Valve Seat
461345
PLUG, CYL HEAD OIL GALLERY(AT FRONT)(CUP 16.5,9.7 LG .89 THICK-STEEL)
Fitting Vehicle Options: T1(LB4)
Require Quantity: 02
Package Quantity: 1
461345
PLUG, CYL HEAD OIL GALLERY(AT FRONT)(CUP 16.5,9.7 LG .89 THICK-STEEL)
- Fitting Vehicle Options: T106(03)(LB4,ZR9)
461345
PLUG, CYL HEAD OIL GALLERY(AT FRONT)
- Fitting Vehicle Options: ST1(LB4)
- Require Quantity: 02
- Package Quantity: 1

14089209
KEY, CRANKSHAFT BALANCE(WOODRUFF)(CRANKSHAFT BALANCER)(LENGTH,36.7MM)(WIDTH 4.77MM)
$7.39 $4.69
1
Add To Cart

1453658
PIN, DOWEL STRAIGHT 5/8 DIAMETER 1 3/16 LG
- Replaced By: 12720455
$7.40 $4.69
1
Add To Cart

14084945
PLUG, 1/4-18X0.56,STEEL,PC
$12.55 $6.99
1
Add To Cart

10241154
PLUG, EXPANSION,2.1 O.D.,CROSS STEEL, ZINC
$4.30 $2.73
5
Add To Cart

106751
KEY, WOODRUFF #9 .187X.750 PLAIN
$1.81 $1.15
80
Add To Cart

225854
NUT, HEXAGON 3/8-24 ZINC COATED 301M(NUT,CONNECT ROD)(PART OF ITEM #105))
$2.31 $1.46
1
Add To Cart

225854
NUT, HEXAGON 3/8-24 ZINC COATED 301M(ALSO PART OF ITEM #105)
$2.31 $1.46
1
Add To Cart

274584
PIN, GROOVE/F/.312X.375 CADMIUM OR ZINC PLATED (OPT); 0.375" LENGTH
$2.31 $1.46
1
Add To Cart

3701638
PLUG, EXPANSION (1/2" STEEL)
$3.46 $2.20
1
Add To Cart

585927
PIN, DOWEL 5/16 X 9/16 STEEL
$3.27 $1.75
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 GMC Syclone 4WD parts. Parts like Engine Assembly-Block & Internal Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.3L. Model Code: PICKUP.