Engine Assembly-Cylinder Block & Related Parts fit your 2005 Chevrolet Trailblazer EXT 2WD

Currently shopping for

2005 Chevrolet Trailblazer EXT 2WD

Change Vehicle

Vehicle Options

Trailblazer 4 Door EXT

Vehicle Options

Trailblazer 4 Door EXT

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

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

Transmission - Automatic

Transmission - Manual

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

12597567
VALVE, Fuel Tank Evaporator/Purge Control, VALVE,EVAP EMISSION CANISTER PURGE SOLENOID(VALVE ONLY)
$63.00 $33.39
1
Add To Cart

SEAL KIT, Engine Rear Main Bearing
89060436
SEAL KIT, CRANKSHAFT REAR OIL(PART OF 518)(REVERSE LIP SEAL,INCLUDE INSTRUCTION SHEET)
Fitting Vehicle Options: ST1(LH6), S1(LS2)
$34.84 $22.14
1
Add To Cart
89017622
SEAL KIT, CRANKSHAFT FRONT OIL(BALANCERS HAVE A STEP ON THE HUB FOR RETAINMENT OF FRICTION WASHER)
- Fitting Vehicle Options: ST1(LL8)
$26.25 $15.87
1
Add To Cart

BOLT, Engine Main Bearing Cap
12560272
BOLT, CRANKSHAFT BEARING CAP(M10X2X102.5)
Fitting Vehicle Options: ST1(06-36)(LH6), S1(LS2)
Require Quantity: 10
Package Quantity: 10
$7.39 $4.69
10
Add To Cart
12556127
BOLT, CRANKSHAFT BEARING CAP(SIDE)(SHORT)(M8X1.25X24)
- Fitting Vehicle Options: ST1(LH6)
- Require Quantity: 10
- Package Quantity: 1
$5.21 $3.15
1
Add To Cart
11569841
BOLT, CRANKSHAFT BEARING CAP(M10X133.5,48.5 THREAD,22.6 OUTSIDE DIAMETER,10.9)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 14
- Package Quantity: 1
$8.17 $5.20
1
Add To Cart

SENSOR, Distributor (also Knock Sensor)
12623730
SENSOR, KNOCK(MATING CONNECT W/LEADS USE 13580877)
Fitting Vehicle Options: ST1(LH6)
Require Quantity: 02
Package Quantity: 1
$25.30 $13.41
1
Add To Cart
12560228
SENSOR, CRANKSHAFT POSITION(INCLUDES 702)(MATING CONNECT W/LEADS USE 88986451)
- Fitting Vehicle Options: ST1(LH6)
$117.48 $65.50
1
Add To Cart
12567446
SENSOR, KNOCK(MATES W/CONNECT 13580877)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 02
- Package Quantity: 1
$48.68 $25.81
1
Add To Cart
12567712
SENSOR, CRANKSHAFT POSITION
- Fitting Vehicle Options: ST1(LL8)
$86.40 $41.61
1
Add To Cart

12639249
GASKET, Engine Rear Main Bearing, GASKET,CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 518)
$60.16 $40.32
1
Add To Cart

12578073
WASHER, Engine Crankshaft Pulley and Balancer, WASHER,CRANKSHAFT BALANCER(WASHER HAS LIP & USED ON BALANCER WITH STEP)(FLAT,33 INSIDE DIAMETER,45.5 OUTSIDE DIAMETER,5 THICK)
$10.40 $6.60
1
Add To Cart

BEARING KIT, Engine Connecting Rod
89017573
BEARING KIT, CONNECT ROD(STD)
Fitting Vehicle Options: ST1(LH6), S1(LS2)
Require Quantity: 08
Package Quantity: 1
$24.65 $14.89
1
Add To Cart
89017791
BEARING KIT, CONNECT ROD(INCLUDES 108,109)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 06
- Package Quantity: 1
$27.51 $16.62
1
Add To Cart

PLUG, Engine Oil Distribution
12573460
PLUG, ENGINE BLOCK OIL GALLERY(INCLUDES 110)(15.68MM DIAMETER)(INCLUDES O-RING SEAL(N.S.S.)
Fitting Vehicle Options: ST1(06-36)(LH6), S1(LS2)
$11.09 $6.69
1
Add To Cart
11561430
PLUG, ENGINE BLOCK OIL GALLERY(M16X1.5X23,1010 STEEL,3044GMW.W/ALUMINUM WASHER,SEALANT)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 05
- Package Quantity: 1
$7.35 $4.67
1
Add To Cart
11588949
PLUG, M16X1.5X14, 24 OUTSIDE DIAMETER, SAE 1010 STEEL, GMW3044, W/ ALUMINUM WASHER(ENGINE BLOCK OIL GALLERY)(8.973)
- Require Quantity: 02
- Package Quantity: 1
$14.20 $8.58
1
Add To Cart
11588949
PLUG, M16X1.5X14, 24 OUTSIDE DIAMETER, SAE 1010 STEEL, GMW3044, W/ ALUMINUM WASHER(ENGINE BLOCK COOLANT DRAIN HOLE)(8.973)
- Require Quantity: 02
- Package Quantity: 1
$14.20 $8.58
1
Add To Cart
11588949
PLUG, M16X1.5X14, 24 OUTSIDE DIAMETER, SAE 1010 STEEL, GMW3044, W/ ALUMINUM WASHER(ENGINE BLOCK COOLANT DRAIN HOLE)(8.973)
$14.20 $8.58
1
Add To Cart

12556127
BOLT, Engine Camshaft gear, BOLT,CAMSHAFT SPROCKET(M8X1.25X24)(0.056)
- Require Quantity: 03
- Package Quantity: 1
$5.21 $3.15
1
Add To Cart

12556127
BOLT, Engine Rear Main Bearing, BOLT,CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 518)(M8X1.25X24)(0.056)
- Require Quantity: 12
- Package Quantity: 1
$5.21 $3.15
1
Add To Cart

SEALANT, Maintenance Products

19333512
SEALANT, THREAD(VIBRA-TITE 420)(1.69 OUNCE(OIL PAN)
$27.29 $15.21
1
Add To Cart
19333512
SEALANT, THREAD(VIBRA-TITE 420)(1.69 OUNCE(SEALER,OIL PAN AT FOUR CORNER(ANAEROBIC GASKET SEALANT)
$27.29 $15.21
1
Add To Cart
12378521
SEALANT, ROOM TEMPERATURE VULCANIZING ENGINE SILICONE 5.3OZ CART(CRANKSHAFT REAR OIL SEAL HOUSING)

12560273
STUD, Engine Main Bearing Cap, STUD,CRANKSHAFT BEARING CAP(HEX FLANGED HEAD,M10X2X23,M8X1.25X11,113.5 TOTAL LONG)
- Require Quantity: 10
- Package Quantity: 1
$10.15 $6.60
1
Add To Cart

HEATER, Engine Coolant Heater
55503649
HEATER, ENGINE COOLANT(W/3-PINION AND BRASS COLOR)
Fitting Vehicle Options: ST1(LL8,K05), ST1(LH6,K05)
$61.22 $38.99
1
Add To Cart
55503649
HEATER, ENGINE COOLANT(W/3-PINION AND BRASS COLORED;2ND DESIGN 12586687.)
- Fitting Vehicle Options: ST1(LL8,K05)(1ST DES), ST1(LH6,K05)(1ST DES), S1(LS2,K05)(1ST DES)
$61.22 $38.99
1
Add To Cart
12586687
HEATER, ENGINE COOLANT(W/2-PINION AND SILVER COLORED)
- Fitting Vehicle Options: ST1(LL8,K05), ST1(LH6,K05)
12586687
HEATER, ENGINE COOLANT(W/2-PINION AND SILVER COLORED; 1ST DESIGN 12560179.)
- Fitting Vehicle Options: S1(LS2,K05)(2ND DES)

12589016
RETAINER, Engine Camshaft, RETAINER,CAMSHAFT(INCLUDES SEAL)(USE WITH BOLT 11561455)
$36.79 $22.22
1
Add To Cart

BOLT, Engine Flywheel
11569956
BOLT, FLYWHEEL(M11X1.5X23.5)(W/SEALER)(HEXAGON HEAD STYLE BOLT)
Fitting Vehicle Options: ST1(LH6)
Require Quantity: 06
Package Quantity: 10
$6.47 $4.11
10
Add To Cart
12568933
BOLT, AUTOMATIC TRANSMISSION FLEXIBLE PLATE(M10X1.0X30MM)(FINE THREADS)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 08
- Package Quantity: 1
$6.08 $3.86

BOLT, Engine Crankshaft Pulley and Balancer
12557840
BOLT, CRANKSHAFT BALANCER(M16X2.0X103)
Fitting Vehicle Options: ST1(LH6), S1(LS2)
$9.21 $5.29
1
Add To Cart
11609792
BOLT, CRANKSHAFT BALANCER(HEXAGON HEAD WASHER, M16X2)
- Fitting Vehicle Options: ST1(LL8)

BEARING KIT, Engine Crankshaft Main
89017571
BEARING KIT, CRANKSHAFT(#1,2,4,5)(STD)
Fitting Vehicle Options: ST1(LH6), S1(LS2)
Require Quantity: 04
Package Quantity: 1
$76.97 $48.92
1
Add To Cart
89017572
BEARING KIT, CRANKSHAFT THRUST(STD)(#3)
- Fitting Vehicle Options: ST1(LH6), S1(LS2)
$69.37 $39.86
1
Add To Cart
89060394
BEARING KIT, CRANKSHAFT(#1,2,3,4,6,7)(STD)(INCLUDES 119,121)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 06
- Package Quantity: 1
$55.43 $33.50
1
Add To Cart
89065022
BEARING KIT, CRANKSHAFT(#5)(INCLUDES 120)
- Fitting Vehicle Options: ST1(LL8)
$52.63 $33.44
1
Add To Cart

PIN, Engine Cylinder Head
3522352
PIN, CYL HEAD LOCATING(HOLLOW DOWEL,15.675X28,CHAM BOTH ENDS,SAE 12L14,ZINC COATED (DIPPED OR PLATED))
Fitting Vehicle Options: ST1(LL8)
Require Quantity: 02
Package Quantity: 1
$17.91 $11.38
1
Add To Cart
12570326
PIN, CYL HEAD LOCATING
- Fitting Vehicle Options: ST1(LH6), S1(LS2)
- Require Quantity: 04
- Package Quantity: 1
$7.39 $4.46
1
Add To Cart

12635957
SWITCH, Engine Oil Pressure/Temperature, SWITCH,ENGINE OIL PRESSURE
$89.49 $45.11
1
Add To Cart

BOLT, Engine Connecting Rod Cap
12552947
BOLT, CONNECT ROD(PART OF 110,114)(MJ9X1.0-4H6HX61.9 LONG)
Fitting Vehicle Options: ST1(LL8)
Require Quantity: 12
Package Quantity: 1
$12.23 $7.77
1
Add To Cart
11610158
BOLT, CONNECT ROD(PART OF 105)(MJ9X1X43)
- Fitting Vehicle Options: S1(LS2)
- Require Quantity: 16
- Package Quantity: 1
$18.70 $11.89
1
Add To Cart

SPROCKET, Engine Crankshaft/Timing
12556582
SPROCKET, CRANKSHAFT
Fitting Vehicle Options: ST1(LH6)
$47.39 $28.63
1
Add To Cart
24100061
SPROCKET, CRANKSHAFT
- Fitting Vehicle Options: ST1(LL8)
$127.65 $81.13
1
Add To Cart

PISTON, Engine Piston
89060486
PISTON, (W/PINION)(INCLUDES 109)(STD)
Fitting Vehicle Options: ST1(LH6,M30)
Require Quantity: 08
Package Quantity: 1
$60.91 $36.79
1
Add To Cart
89060483
PISTON, (W/PINION)(INCLUDES 109)(0.5MM OUTSIDE)
- Fitting Vehicle Options: ST1(LH6)
- Require Quantity: 08
- Package Quantity: 1
$198.60 $158.89
1
Add To Cart
12585784
PISTON, (W/CONNECT ROD)(STD)(INCLUDES 106,107,110-113,115-117)(W/CASTING 12579989)(INCLUDES ROD,PISTON,RINGS,RETAINER)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 06
- Package Quantity: 1

12646386
CHAIN, Engine Timing, CHAIN,CAMSHAFT TIMING
$93.51 $62.68
1
Add To Cart

12588670
DAMPENER, Engine Timing, DAMPENER,TIMING CHAIN(INCLUDES 231)
$65.47 $37.62
1
Add To Cart

12576407
SPROCKET, Engine Camshaft, SPROCKET,CAMSHAFT
$59.89 $34.42
1
Add To Cart

BALANCER, Engine Crankshaft And Camshaft Balancer
19300488
BALANCER, CRANKSHAFT(0.666)
Fitting Vehicle Options: ST1(LH6), S1(LS2)
$185.36 $106.50
1
Add To Cart
12578069
BALANCER, CRANKSHAFT(INCLUDES 12578073 WASHER)(HAS A STEP ON THE HUB FOR RETAINMENT OF FRICTION WASHER)(REQUIRES SEAL KIT 89017622)
- Fitting Vehicle Options: ST1(LL8)
$186.33 $117.89

RING KIT, Engine Piston
89017484
RING KIT, PISTON(STD) WITHOUT 4 DRILLED OIL DRAIN HOLES ON 3RD RING LAND. USE 89017484 RING TOGETHER WITH 89017478 PISTON ONLY.)(UPPER COMPRESSION RING IS 1.2MM THICK)
Fitting Vehicle Options: S1(LS2)
Require Quantity: 08
Package Quantity: 1
$51.60 $31.17
1
Add To Cart
89017485
RING KIT, PISTON(.5MM OVERSIZE)(UPPER COMPRESSION IS 1.2MM THICK)
- Fitting Vehicle Options: S1(LS2)
- Require Quantity: 08
- Package Quantity: 1
$57.51 $34.75
1
Add To Cart
89060378
RING KIT, PISTON(STD)(INCLUDES 115-117)(NOTE LOWER COMPRESSION RING IS 1.5MM THICK WITH SCAPER GROOVE)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 06
- Package Quantity: 1
$79.02 $50.22
1
Add To Cart
12670787
RING KIT, PISTON(STD)
- Fitting Vehicle Options: ST1(LH6)
- Require Quantity: 08
- Package Quantity: 1
$70.96 $40.77
1
Add To Cart
19178307
RING KIT, PISTON(W/4 DRILLED OIL DRAIN HOLES ON 3RD RING LAND.USE 19178307 RING TOGETHER WITH 19178305 PISTON ONLY.)(STD)
- Fitting Vehicle Options: S1(LS2)
- Require Quantity: 08
- Package Quantity: 1
$72.68 $46.21
1
Add To Cart
12670788
RING KIT, PISTON(0.5MM OVERSIZE)
- Fitting Vehicle Options: ST1(LH6)
- Require Quantity: 08
- Package Quantity: 1
$99.71 $40.10
1
Add To Cart

ROD, Engine Piston
12649190
ROD, CONNECT(INCLUDES 102,103,106)
Fitting Vehicle Options: ST1(LH6)
Require Quantity: 08
Package Quantity: 1
$224.30 $128.87
1
Add To Cart
12574879
ROD, CONNECT (MACHINING W/ CAP)(INCLUDES 106,107,111)(PART OF 114)
- Fitting Vehicle Options: ST1(LL8)
- Require Quantity: 06
- Package Quantity: 1
$105.23 $66.89
1
Add To Cart

12581717
SEAL, Engine Rear Main Bearing, SEAL,CRANKSHAFT REAR OIL(PART OF 509)

12567157
SPACER, Engine Front Cover, SPACER,ENGINE FRONT COVER BOLT
$5.91 $3.76
1
Add To Cart

CRANKSHAFT, Engine
88958866
CRANKSHAFT
Fitting Vehicle Options: ST1(LL8)
$309.56 $195.86
1
Add To Cart
12574522
CRANKSHAFT
- Fitting Vehicle Options: ST1(LH6)
12707366
CRANKSHAFT, (CRNKSHFT MAY BLACK ENAMEL CROSS-DAYTIME RUNNING LAMPS'D THROUGH BALANCE WEIGHTS. DOES NOT AFFECT FIT/FUNCTION.)
- Fitting Vehicle Options: S1(LS2)

PIN, Engine Camshaft Gear
12554553
PIN, CAMSHAFT SPROCKET LOCATING(PART OF 200)(1/4X5/8)
Fitting Vehicle Options: ST1(LH6)
$9.62 $5.82
1
Add To Cart
12585420
PIN, CRANKSHAFT SPROCKET LOCATING(LOCATED INSIDE BALANCER)
- Fitting Vehicle Options: ST1(LL8)
$7.01 $4.46
1
Add To Cart

HOUSING, Engine Rear Main Bearing
12581714
HOUSING, CRANKSHAFT REAR OIL SEAL(INCLUDES 511)(INCLUDE SEAL)
Fitting Vehicle Options: ST1(LL8)
$103.98 $59.74
1
Add To Cart
12639250
HOUSING, CRANKSHAFT REAR OIL SEAL(INCLUDES BOLT,HOUSING,SEAL,GASKET)(INCLUDES 141,517,519)
- Fitting Vehicle Options: ST1(LH6), S1(LS2)
$98.60 $56.65
1
Add To Cart

12628565
COVER, Engine Front Cover, COVER,ENGINE FRONT(W/OIL PMP)(INCLUDES SEAL(FRONT COVER),GEARS,PLUG AND RELIEF VALVE)(SEE GROUP 00.000 "OIL PUMP,PAN AND RELATED PARTS" FOR DETAILED ILLUSTRATED VIEW)

12569525
CAMSHAFT, Engine, CAMSHAFT,ENGINE(INCLUDES 202)
$124.20 $78.93
1
Add To Cart

PLATE, Engine Crankshaft
12654640
PLATE, AUTOMATIC TRANSMISSION FLEXIBLE(AUTO TRANSMISSION)(USE W/QTY 3 OF BOLT 24503068)
Fitting Vehicle Options: ST1(LH6)
$216.13 $124.19
1
Add To Cart
12576272
PLATE, AUTOMATIC TRANSMISSION FLEXIBLE
- Fitting Vehicle Options: ST1(LL8,M30)

BEARING
19167383
BEARING, CAMSHAFT
Require Quantity: 02
Package Quantity: 1
$6.78 $4.27
1
Add To Cart
19167218
BEARING, CAMSHAFT

12561513
KEY, Engine Crankshaft Pulley and Balancer, KEY,CRANKSHAFT BALANCER(4.8MMX37.5MM)
$7.38 $4.69
1
Add To Cart

FITTING, Heater

12567908
FITTING, HEATER OUTLET HOSE
19355770
FITTING, HEATER INLET HOSE

12561663
PLUG, Engine Block, PLUG,ENGINE BLOCK COOLANT DRAIN HOLE(M28X1.25X12.4, BRASS)
- Location: Driver Side
$21.45 $12.96
1
Add To Cart

12569598
PIN, Engine Clutch Housing or Transmission, PIN,TRANS LOCATING
- Require Quantity: 02
- Package Quantity: 1
$3.26 $2.07
1
Add To Cart

24577092
STIFFENER, Engine Main Bearing Cap, STIFFENER,CRANKSHAFT BEARING CAP
$67.49 $42.89
1
Add To Cart

3525915
PIN, Engine Rear Main Bearing, PIN,CRANKSHAFT REAR OIL SEAL HOUSING LOCATING(DOWEL,5.99X17.25,CHAM BOTH ENDS,10.9)(0.206)
- Require Quantity: 02
- Package Quantity: 1
$5.88 $3.74
1
Add To Cart

3525915
PIN, Engine Front Cover, PIN,ENGINE FRONT COVER LOCATING(DOWEL,5.99X17.25,CHAM BOTH ENDS,10.9)
- Require Quantity: 02
- Package Quantity: 1
$5.88 $3.74
1
Add To Cart

88984239
SLEEVE, Engine Cylinder case, SLEEVE,CYL(MACHINING)
- Require Quantity: 06
- Package Quantity: 1
$37.04 $23.54
1
Add To Cart

12564353
STUD, Starter Motor, STUD,STARTER(UPPER)
$8.47 $4.72

19167382
BEARING, Engine Camshaft & Balance Shaft Front, BEARING,CAMSHAFT(#2,4)
- Require Quantity: 02
- Package Quantity: 1
$4.98 $3.16

11561026
BOLT, HEX FLANGED HEAD,THREAD,14.2 OUTSIDE DIAMETER,9.8,GMW3200,MACHINE,HEADER POINT(CRANKSHAFT REAR OIL SEAL HOUSING)
- Require Quantity: 08
- Package Quantity: 1
$36.02 $22.89
1
Add To Cart

11515756
BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(BOLT,CRANKSHAFT POSITION SENSOR)
$7.50 $4.53
10
Add To Cart

11515756
BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(CAMSHAFT RETAINER)
- Require Quantity: 04
- Package Quantity: 10
$7.50 $4.53
10
Add To Cart

1453658
PIN, DOWEL STRAIGHT 5/8 DIAMETER 1 3/16 LG(TRANS LOCATING)
- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 12720455
$7.40 $4.69
1
Add To Cart

9427693
PLUG, CUP 5/8, CORROSION RESISTANT STEEL(ENGINE BLOCK OIL GALLERY)(1.531)
$7.20 $4.57
1
Add To Cart

11589241
BOLT, HEX FLANGED HEAD,M6X1X20,17.5 THREAD,14.2 O.D.,8.8, GMW3359(CRANKSHAFT POSITION SENSOR)
$7.38 $4.69
1
Add To Cart

11589241
BOLT, HEX FLANGED HEAD,M6X1X20,17.5 THREAD,14.2 O.D.,8.8, GMW3359(EVAP EMISSION CANISTER PURGE SOLENOID VALVE BRACKET)
$7.38 $4.69
1
Add To Cart

11611351
PLUG, HEXAGON, M28X1.25X13, 10.9 STEEL,GMW3044, INTAKE DRIVER W/THREAD SEAL(ENGINE COOLANT HEATER HOLE)
$23.11 $13.96
1
Add To Cart

11519681
BOLT, HEX FLANGED HEAD,M8X1.25X34,25 THREAD,18 O.D.,9.8,GMW3359(PART OF 232)
- Require Quantity: 02
- Package Quantity: 1

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2005 Chevrolet Trailblazer EXT 2WD parts. Parts like Engine Assembly-Cylinder Block & 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 4.2L, 8 Cyl 5.3L. Model Code: 4 DOOR EXT.