Engine Assembly-Cylinder Head & Related Parts fit your 2025 Chevrolet Trailblazer

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2025 Chevrolet Trailblazer

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Part No. & Part Description

Price & Qty.

Part No. &
Part Description

PLUG, Engine Cylinder Head
9427693
PLUG, CYL HEAD CORE HOLE(PART OF 15)(61 OUTSIDE DIAMETER,.25 THICK)(1.531)
Require Quantity: 02
Package Quantity: 1
$7.20 $4.57
1
Add To Cart
11602943
PLUG, CYL HEAD OIL GALLERY(PART OF 15)(M12X1.75X14,6 INTAKE)(0.293)
- Require Quantity: 02
- Package Quantity: 1
$4.54 $2.89

11547061
BOLT, Engine Vacuum Pump, BOLT,VACUUM PUMP(M6X1X30)(HEX FLANGED HEAD)(DISHED HEAD)(0.206)
- Require Quantity: 03
- Package Quantity: 1
$7.38 $4.45
1
Add To Cart

12574477
RING, Engine Camshaft, RING,CAMSHAFT SPROCKET OIL SEAL(PART OF 4,5)
- Require Quantity: 02
- Package Quantity: 1
$12.80 $8.13
1
Add To Cart

90351709
PIN, Engine Camshaft, PIN,CAMSHAFT BEARING FRONT CAP LOCATING(PART OF 15)(8MM DIAMETER 10MM LONG HOLLOW SPLIT PINION GUIDE ENGINE FRONT COVER BOLT)(1.639)
- Require Quantity: 04
- Package Quantity: 1
$11.54 $7.31
1
Add To Cart

90529533
KEY, Engine Valve Spring Cap, KEY,VALVE STEM(PART OF 15)
- Require Quantity: 24
- Package Quantity: 5
$7.74 $4.67
5
Add To Cart

PIN, Engine Cylinder Head
11546613
PIN, CYL HEAD LOCATING(LIH GMNA 9BUB/9BUC/9BYC WITH NEW THROTTLE ASM BODY GMNA.)(14 OUTSIDE DIAMETER)
Fitting Vehicle Options: TR,TU(56)(LBP)
Require Quantity: 02
Package Quantity: 1
$4.79 $3.04
1
Add To Cart
11546613
PIN, CYL HEAD LOCATING(14 OUTSIDE DIAMETER)
- Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
- Require Quantity: 02
- Package Quantity: 1
$4.79 $3.04
1
Add To Cart

BOLT, Engine Cylinder Head
11547729
BOLT, CYL HEAD(M10X1.5X107)(*KIT2)
Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
Require Quantity: 08
Package Quantity: 1
$0.63 $0.40
1
Add To Cart
11547739
BOLT, CYL HEAD(LIH GMNA 9BUB/9BUC/9BYC WITH NEW THROTTLE ASM BODY GMNA.)(M6X1X35,14.2OD)(1.652)
- Fitting Vehicle Options: TR,TU(56)(LIH,MRG)
- Require Quantity: 05
- Package Quantity: 1
$2.11 $1.34
1
Add To Cart
11548171
BOLT, CYL HEAD(M6X1X43,10)(TOGETHER WITH ADHESIVE 19333511.)(*KIT2)(0.206)
- Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
- Require Quantity: 04
- Package Quantity: 1
$2.16 $1.37
1
Add To Cart
11548293
BOLT, CYL HEAD(M6X1X108)(*KIT2)
- Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
- Require Quantity: 03
- Package Quantity: 1
$0.74 $0.47
1
Add To Cart
55487413
BOLT, CYL HEAD(LIH GMNA 9BUB/9BUC/9BYC WITH NEW THROTTLE ASM BODY GMNA.)(M10X1.5X94)
- Fitting Vehicle Options: TR,TU(56)(LIH,MRG)
- Require Quantity: 08
- Package Quantity: 1
$1.83 $1.15
1
Add To Cart
11548292
BOLT, CYL HEAD(LIH GMNA 9BUB/9BUC/9BYC WITH NEW THROTTLE ASM BODY GMNA.)(M6X1X93)(3.275)
- Fitting Vehicle Options: TR,TU(56)(LIH,MRG)
$4.31 $2.74

11612262
RESTRICTOR, Engine Oil Distribution, RESTRICTOR,CYL HEAD OIL GALLERY(PART OF 15)(11MM DIAGRAM/6MM LONG)(CUP STYLE PLUG)
- Require Quantity: 02
- Package Quantity: 1
$7.03 $4.46
1
Add To Cart

12643635
RETAINER, Engine Valve, RETAINER,VALVE SPRING(PART OF 15)(12643635 SERVICES 12702456)
- Require Quantity: 12
- Package Quantity: 1
$4.67 $2.97
1
Add To Cart

12663277
ADJUSTER, Engine Valve, ADJUSTER,HYDRAULIC VALVE LASH
- Require Quantity: 12
- Package Quantity: 1
$4.31 $2.60
1
Add To Cart

SPRING, Engine Valve
12663341
SPRING, VALVE(PART OF 15)
Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
Require Quantity: 12
Package Quantity: 1
$3.65 $2.32
1
Add To Cart
55487703
SPRING, VALVE(PART OF 15)
- Fitting Vehicle Options: TR,TU(56)(LBP)
- Require Quantity: 12
- Package Quantity: 1
$4.32 $2.74
1
Add To Cart

VALVE, Intake
12669577
VALVE, INTAKE(PART OF 15)
Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
Require Quantity: 06
Package Quantity: 1
$5.72 $3.63
1
Add To Cart
55489458
VALVE, INTAKE(PART OF 15)
- Fitting Vehicle Options: TR,TU(56)(LBP)
- Require Quantity: 06
- Package Quantity: 1
$6.36 $4.04
1
Add To Cart

SEAL, Engine Valve
12673942
SEAL, EXHAUST VALVE STEM OIL(SINGLE USE)(PART OF 15)(SINGLE USE)(*KIT1)
Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
Require Quantity: 06
Package Quantity: 1
$3.99 $2.53
1
Add To Cart
55489460
SEAL, EXHAUST VALVE STEM OIL(PART OF 15)
- Fitting Vehicle Options: TR,TU(56)(LBP)
- Require Quantity: 06
- Package Quantity: 1
$4.41 $2.81
1
Add To Cart
55496009
SEAL, INTAKE VALVE STEM OIL(PART OF 15)
- Fitting Vehicle Options: TR,TU(56)(LBP)
- Require Quantity: 06
- Package Quantity: 1
$4.06 $2.59
1
Add To Cart

SPARK PLUG,Glow)
12683541
SPARK PLUG, GASOLINE ENGINE IGNITION(PART OF 15)(HAS ACDELCO MARKINGS)(SPARK PLUG IS PRE-GAPPED, DO NOT CHANGE)
Fitting Vehicle Options: TR,TU(56)(LBP)
Require Quantity: 03
Package Quantity: 1
$16.12 $8.99
1
Add To Cart
12688094
SPARK PLUG, GASOLINE ENGINE IGNITION(PART OF 15)(SPARK PLUG IS PRE-GAPPED. DO NOT CHANGE.)
- Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T)
- Require Quantity: 03
- Package Quantity: 1
$17.52 $9.77
1
Add To Cart

CAMSHAFT, Engine
12688074
CAMSHAFT, EXHAUST(INCLUDES 31)
Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T,MRG,M3F,MAH,MBC,MBI,NTB,NUG)
Replaced By: 25206537
$134.20 $85.31
1
Add To Cart
12688075
CAMSHAFT, INTAKE(INCLUDES 31)
- Fitting Vehicle Options: TR,TS,TT,TU(56)(L3T)
- Replaced By: 25206538
$122.20 $77.68
1
Add To Cart
55508596
CAMSHAFT, INTAKE
- Fitting Vehicle Options: TR,TU(56)(LBP)
$141.15 $89.74
1
Add To Cart
55508597
CAMSHAFT, EXHAUST
- Fitting Vehicle Options: TR,TU(56)(LBP)
$124.94 $79.42
1
Add To Cart

12698347
SEAL KIT, Engine Valve, SEAL KIT,VALVE STEM OIL(INCLUDES 11,29)
$12.27 $7.79
1
Add To Cart

12708875
GASKET KIT, Engine Cylinder Head, GASKET KIT,CYL HEAD(INCLUDES 13,14,19,24)
$109.93 $69.87
1
Add To Cart

25194171
GASKET, Engine Cylinder Head, GASKET,CYL HEAD
$34.42 $21.88
1
Add To Cart

55489459
VALVE, Exhaust, VALVE,EXHAUST(PART OF 15)
- Require Quantity: 06
- Package Quantity: 1
$20.47 $13.01
1
Add To Cart

55495381
PUMP, Engine Vacuum Pump, PUMP,VACUUM(INCLUDES 37)
$106.06 $59.13
1
Add To Cart

55503111
GASKET, Engine Vacuum Pump, GASKET,VACUUM PUMP(PART OF 1)
$10.37 $6.59
1
Add To Cart

55507182
BOLT, Engine Camshaft, BOLT,CAMSHAFT BEARING CAP(PART OF 15)
$3.60 $2.29
1
Add To Cart

55512090
SENSOR, Distributor (also Knock Sensor), SENSOR,CAMSHAFT POSITION(INCLUDES 16)
- Replaced By: 12732025
$23.16 $12.91
1
Add To Cart

55569172
ARM, Engine Valve Adjusting, ARM,HYDRAULIC VALVE LASH ADJUSTER
- Require Quantity: 12
- Package Quantity: 1
$9.11 $5.79
1
Add To Cart

55569172
ARM, Engine Valve Rocker, ARM,VALVE ROCKER(0.429)
- Require Quantity: 12
- Package Quantity: 1
$9.11 $5.79
1
Add To Cart

25204903
HEAD, Engine Cylinder, HEAD,CYL (W/VLVS)(INCLUDES 3-6,9,10,12-14,19-21,24-26,30-33)
$820.40 $516.73

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2025 Chevrolet Trailblazer 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: 3 Cyl 1.2L, 3 Cyl 1.3L. Model Code: LEVEL II 4 DOOR EXTENDED, LEVEL III 4DOOR EXTENDED, LEVEL IV 4 DOOR EXTENDED, LEVEL V 4 DOOR EXTENDED.