Engine Assembly-Cylinder Head & Related Parts fit your 1991 GMC Syclone 2WD

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1991 GMC Syclone 2WD

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Vehicle Options

6 Cyl 4.3L EFI

Vehicle Options

6 Cyl 4.3L EFI

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Frames, Springs, Shocks, Bumpers

Front Axle, Front Suspension, Steering

Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

Maintenance Parts, Fluids, Capacities, Electrical Connectors

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Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

Transmission - Manual

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SHIELD, Spark Plug Ignition Wire

12551505
SHIELD, SPARK PLUG WIRE(USED AT RH FRONT)(155MM LONG)
$7.39 $4.69
1
Add To Cart
10105861
SHIELD, SPARK PLUG WIRE(USED AT RH REAR)(23MM LONG)
$7.38 $4.46
1
Add To Cart

10456288
SENSOR, Distributor (also Knock Sensor), SENSOR,KNOCK(1/4-18 NPTF THREAD)(MATING CONNECT W/LEADS USE 12102621)
$93.01 $44.79
1
Add To Cart

12557390
NUT, Engine Valve Adjusting, NUT,VALVE ROCKER ARM(REPLACES 00465934)(3/8-24)(*KIT2)
- Require Quantity: 12
- Package Quantity: 1
$7.50 $4.53
1
Add To Cart

19302741
SPARK PLUG, Spark Ignition, SPARK PLUG,GASOLINE ENGINE IGNITION(STANDARD PLUG)
- Require Quantity: 06
- Package Quantity: 1
- Replaced By: 19354425
$4.18 $2.33
1
Add To Cart

BOLT, Engine Cylinder Head
10168525
BOLT, CYL HEAD(LG)(LONG)(7/16-14 X 3 51/64, 300M)
Require Quantity: 10
Package Quantity: 15
$3.91 $3.28
15
Add To Cart
10168526
BOLT, CYL HEAD(MEDIUM)(MEDIUM)(7/16-14 X 3 1/16, 300M)
- Require Quantity: 04
- Package Quantity: 1
$3.90 $3.11
1
Add To Cart
10168527
BOLT, CYL HEAD(SHT)(7/16-14 X 1.62)
- Require Quantity: 12
- Package Quantity: 15
$3.91 $3.28
15
Add To Cart

VALVE, Intake
10241743
VALVE, INTAKE(STD)
Require Quantity: 06
Package Quantity: 1
$30.93 $18.68
1
Add To Cart
14075642
VALVE, INTAKE(.0035" OVERSIZE)
- Require Quantity: 06
- Package Quantity: 1
14075643
VALVE, INTAKE(.0155 OVERSIZE)
- Require Quantity: 06
- Package Quantity: 1
14075644
VALVE, INTAKE(.0305 OVERSIZE)
- Require Quantity: 06
- Package Quantity: 1

14054892
GROMMET, Engine Crankcase Ventilation, GROMMET,PCV HOSE CONNECT(.47 MM)("D" SHAPED)(1.745)
$4.09 $2.46
5
Add To Cart

RETAINER, Exhaust Manifold Bolt

14081242
RETAINER, EXHAUST MANIFOLD BOLT(#5-6)
$4.86 $4.46
1
Add To Cart
14081241
RETAINER, EXHAUST MANIFOLD BOLT(#1-2 LH & RH)

19171845
WIRE KIT, Spark or Glow Plug Ignition, WIRE KIT,SPARK PLUG(INCLUDE ITEM #201)
$87.78 $39.32
1
Add To Cart

VALVE, Exhaust
12550909
VALVE, EXHAUST(STD)
Require Quantity: 08
Package Quantity: 1
Replaced By: 19435238
$35.28 $22.42
14033160
VALVE, EXHAUST(.0305 OVERSIZE)
- Require Quantity: 08
- Package Quantity: 1
14095459
VALVE, EXHAUST(.0035 OVERSIZE)
- Require Quantity: 06
- Package Quantity: 1

SENSOR, Coolant Temperature (Engine Unit)
25037332
SENSOR, ENGINE COOLANT TEMPERATURE GAGE(2 BLADE TERMINAL)(CAN BLACK ENAMEL USED AS 1 TERMINAL CONNECT)(3/8-18 THREAD)(3/8-18 THREAD)(MATING CONNECT W/LEADS USE 12126458)
Fitting Vehicle Options: ST1(LB4,CTF)
$75.90 $36.56
1
Add To Cart
25036807
SENSOR, ENGINE COOLANT TEMPERATURE GAGE(1 BLADE TERMINAL)(3/8-18 THREAD)
- Fitting Vehicle Options: ST1(LB4)(EXC CTF)

3989350
GROMMET, Engine Crankcase, GROMMET,PCV VALVE(23/32 INSIDE DIAMETER-1 3/16 OUTSIDE DIAMETER)
$5.62 $3.13
10
Add To Cart

5234890
LIFTER, Engine Valve Lifter, LIFTER,VALVE(ROLLER, HYDRAULIC)
- Require Quantity: 12
- Package Quantity: 1
$72.34 $43.70
1
Add To Cart

CAP, Engine Oil Filler
10110858
CAP, OIL FILLER(SAE 5W30, RUBBER)(PUSH-IN STYLE, FOR 2ND DESIGN SEE 10108694)
Fitting Vehicle Options: ST1(LB4)(1ST DES)
10108694
CAP, OIL FILLER(SAE 10W30, INCLUDES SEAL, STAMPED SPECIAL ENGINE OIL REQUIRED)(SCREW-IN STYLE, FOR 1ST DESIGN SEE 10110858)
- Fitting Vehicle Options: ST1(LB4)(2ND DES)

3911068
SPRING, Engine Valve, SPRING,VALVE(W/DAMPENER)
- Require Quantity: 12
- Package Quantity: 1
- Replaced By: 94666580
$13.81 $8.78
1
Add To Cart

12553514
TUBE, Engine Crankcase, TUBE,OIL FILLER(INCLUDE O-RING,W/O CAP)

10046173
ROD, Engine Valve Push Rod, ROD,VALVE PUSH(INCLUDES INSERTS)
- Require Quantity: 12
- Package Quantity: 1
$19.20 $12.05
1
Add To Cart

14003974
CAP, Engine Valve Spring, CAP,VALVE SPRING
- Require Quantity: 12
- Package Quantity: 1
$5.15 $3.27
1
Add To Cart

10229247
PIN, Air Cleaner Intake, PIN,ENGINE AIR HEAT STOVE DRIVE(3.601)
- Require Quantity: 02
- Package Quantity: 1
$7.73 $4.91

MANIFOLD, Engine Exhaust Manifold
10172857
MANIFOLD, EXHAUST
Location: Driver Side
$399.86
1
Add To Cart
10054764
MANIFOLD, EXHAUST
- Location: Passenger Side

10066008
BOLT, Engine Camshaft & Valve Rocker Cover, BOLT,VALVE ROCKER ARM COVER(1/4-20 X 3.4")(HEXAGON W/ALUMINUM WASHER)
- Require Quantity: 06
- Package Quantity: 1
$18.74 $11.91
1
Add To Cart

10089648
ARM KIT, Engine Valve Rocker, ARM KIT,VALVE ROCKER(W/BALL)(INCLUDE ITEMS #240-242)(STD THREADS) (INCLUDES ARM, BALL & NUT)
- Require Quantity: 12
- Package Quantity: 1
$41.87 $25.28
1
Add To Cart

10159420
GASKET KIT, Engine Cylinder Head, GASKET KIT,CYL HEAD(INCLUDE ITEMS #230,233,236)(*01)
$127.87 $63.42
1
Add To Cart

SEAL, Engine Valve
10212810
SEAL, INTAKE VALVE STEM OIL(*KIT1)
Fitting Vehicle Options: ST1(LB4)
Require Quantity: 06
Package Quantity: 1
$7.60 $4.83
1
Add To Cart
10214034
SEAL, VALVE STEM OIL(O-RING TYPE)(*KIT1,KIT4)
- Fitting Vehicle Options: ST1(LB4)
- Require Quantity: 12
- Package Quantity: 1
$2.60 $1.57
1
Add To Cart
14037715
SEAL, INTAKE VALVE STEM OIL(.015 OVERSIZE)(*KIT1)
- Fitting Vehicle Options: ST1(LL2,LB4)
- Require Quantity: 06
- Package Quantity: 1
14037716
SEAL, INTAKE VALVE STEM OIL(.030 OVERSIZE)(*KIT1)
- Fitting Vehicle Options: ST1(LL2,LB4)
- Require Quantity: 06
- Package Quantity: 1

STUD, Engine Valve Adjusting
3814692
STUD, VALVE ROCKER ARM BALL(.003" OVERSIZE)
Require Quantity: 12
Package Quantity: 1
$7.05 $4.48
1
Add To Cart
12490406
STUD, VALVE ROCKER ARM BALL(USED ON REMANUFACTURE ENGINES)(M10X1.5X17,3/8-24X44 W/SEALANT)
- Require Quantity: 12
- Package Quantity: 1
3815892
STUD, VALVE ROCKER ARM BALL(.013 OVERSIZE)
- Require Quantity: 12
- Package Quantity: 1

12520274
HEAD, Engine Cylinder, HEAD,CYL(W/STUDS)
- Require Quantity: 02
- Package Quantity: 1
$934.39 $467.36
1
Add To Cart

12550002
GUIDE, Engine Valve Push Rod Cover, GUIDE,VALVE LIFTER
- Require Quantity: 06
- Package Quantity: 1
$7.83 $4.97
1
Add To Cart

12552362
GASKET, Engine Cylinder Head, GASKET,CYL HEAD(*KIT1)
- Require Quantity: 02
- Package Quantity: 1
$61.75 $37.31
1
Add To Cart

14042575
ROTATOR, Engine Valve Spring, ROTATOR,VALVE(EXHAUST)
- Require Quantity: 03
- Package Quantity: 1
$16.32 $10.37
1
Add To Cart

14081257
GASKET, Engine Camshaft & Valve Rocker Cover, GASKET,VALVE ROCKER ARM COVER(NOTE PART IS RUBBER SILICONE MATERIAL)
- Require Quantity: 02
- Package Quantity: 1
$24.70 $13.05
1
Add To Cart

24503856
KEY, Engine Valve Spring Cap, KEY,VALVE STEM
- Require Quantity: 24
- Package Quantity: 10
$5.47 $3.48
10
Add To Cart

8995284
VALVE, Engine Crankcase, VALVE,PCV
$12.60
1
Add To Cart

10007818
SHIELD, Engine Valve, SHIELD,VALVE STEM OIL
- Require Quantity: 12
- Package Quantity: 1

10046165
RETAINER, Engine Valve Lifter, RETAINER,VALVE LIFTER GUIDE(2 BOLT HOLES CENTER OF RETAINER)

COVER, Engine Valve Rocker & Camshaft
10046193
COVER, VALVE ROCKER ARM
Location: Passenger Side
14091554
COVER, VALVE ROCKER ARM
- Location: Driver Side

SUPPORT, Spark Plug Ignition Wire
10137607
SUPPORT, SPARK PLUG WIRE(USED AT LH REAR)
Fitting Vehicle Options: ST1(LB4)(EXC CTF)
10137607
SUPPORT, SPARK PLUG WIRE(USED AT LH MIDDLE OF HEAD REAR)
- Location: Driver Side
- Fitting Vehicle Options: ST1(LB4,CTF)
10137610
SUPPORT, SPARK PLUG WIRE(REAR)(WHEN REPLACING OLD SUPPORT,CUSTOMER MAY ALSO REQUIRE 2-12132228(7MM) OR 2-12084629(8MM) WIRE RETAINERS)
- Location: Passenger Side
- Fitting Vehicle Options: ST1(LB4,MD8,MY2,NM8)(EXC CTF)
- Require Quantity: 02
- Package Quantity: 1
10137610
SUPPORT, SPARK PLUG WIRE
- Location: Passenger Side
- Fitting Vehicle Options: ST1(LB4,CTF)
10137613
SUPPORT, SPARK PLUG WIRE(USED AT LH FRONT OF HEAD)
- Location: Driver Side
- Fitting Vehicle Options: ST1(LB4,CTF)
14094740
SUPPORT, SPARK PLUG WIRE
- Fitting Vehicle Options: ST1(LB4)(EXC CTF)

120386
WASHER, WASHER

WIRE, Spark Plug or Coil

12073958
WIRE, SPARK PLUG #1 CYL(STYLE REAR, 36IN)(*KIT3)(2.239)
12073991
WIRE, SPARK PLUG #3 CYL(STYLE AA, 26IN)(*KIT3)
12073991
WIRE, SPARK PLUG #5 CYL(STYLE AA, 26IN)(*KIT3)
12073992
WIRE, SPARK PLUG #4 CYL(STYLE AA, 28IN)(*KIT3)
12073993
WIRE, SPARK PLUG #2 CYL(STYLE AA, 32IN)(*KIT3)

12511890
SEAL KIT, Engine Valve, SEAL KIT,VALVE STEM OIL(INCLUDE ITEM #236)

14029009
STUD, Intake & Exhaust Manifold, STUD,HEXAGON 3/8-16X1.00/ 3/8-16X2.25 280M ZINC COATED(EXHAUST MANIFOLD)

14090911
PLUG, DRY SEAL (3/8-18X.42)
- Require Quantity: 02
- Package Quantity: 1
$7.51 $4.77
1
Add To Cart

24501365
BOLT, HEXAGON,5/16-18X5/8,ZINC
$12.24 $7.77
1
Add To Cart

9439637
BOLT, HEXAGON 3/8-16X1 3/4 CADMIUM BRACE
$7.51 $4.77
1
Add To Cart

9442012
BOLT, HEXAGON,.375X16.00X2.25
$5.05 $3.21
5
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 GMC Syclone 2WD parts. Parts like Engine Assembly-Cylinder Head & Related 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.