Engine Assembly-Cooling & Related Parts fit your 2021 Chevrolet Silverado 1500 2WD

Currently shopping for

2021 Chevrolet Silverado 1500 2WD

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

Rear Body Structure, Moldings & Trim, Cargo Stowage

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

BOLT, Engine Coolant By-Pass
11588712
BOLT, THERMOSTAT BYPASS PIPE(M6X1X20,17.5THD)(14.2 OUTSIDE DIAMETER,8.8 GMW3359)(M-POINT)(8.900)
Fitting Vehicle Options: CK1(03-43-53)(L3B)
$7.39 $4.69
10
Add To Cart
55509770
BOLT, ENGINE COOLANT AIR BLEED PIPE(PART OF 41)
- Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
- Require Quantity: 02
- Package Quantity: 1
$13.77 $8.75
1
Add To Cart
11548165
BOLT, THERMOSTAT BYPASS PIPE(M5X0.8X20)(1.609)
- Fitting Vehicle Options: CK1(43-53)(LM2)
- Require Quantity: 10
- Package Quantity: 1
$4.36 $2.78
11548166
BOLT, ENGINE COOLANT FLOW CONTROL VALVE(PART OF 15)(M5X038X32)
- Fitting Vehicle Options: CK1(03-43-53)
$0.26 $0.18
11548166
BOLT, ENGINE COOLANT FLOW CONTROL VALVE(M5X038X32)
- Fitting Vehicle Options: CK1(03-43-53)
$0.26 $0.18

12586687
HEATER, Engine Coolant Heater, HEATER,ENGINE COOLANT

CLAMP,A/C)
11570871
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 34)(GRAY)(23X12)(CLAMP-SPRINGBAND)(8.948)
Fitting Vehicle Options: CK1(43-53)(LM2)
Require Quantity: 02
Package Quantity: 1
$12.60
1
Add To Cart
11548235
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 4)(INSIDE DIAMETER=39)(W=12)(SPRINGBOARD W/PULL OUT CLIP)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Replaced By: 13162322
$14.99 $13.05
1
Add To Cart
11548772
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 53)(53X15)(CLAMP, SPRINGBAND, NORMALLY CLOSED)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Require Quantity: 02
- Package Quantity: 1
$8.27 $5.53
1
Add To Cart
11611503
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 10)(BLACK)(27X12)(CTB)(3.373)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Require Quantity: 02
- Package Quantity: 1
$25.09 $15.94
1
Add To Cart
11611503
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 39)(BLACK)(27X12)(CTB)(3.373)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Require Quantity: 02
- Package Quantity: 1
$25.09 $15.94
1
Add To Cart
11611503
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 10)(BLACK)(27X12)(CTB)(3.373)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$25.09 $15.94
1
Add To Cart
11611503
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 32)(BLACK)(27X12)(CTB)(3.373)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$25.09 $15.94
1
Add To Cart
11611503
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 53)(BLACK)(27X12)(CTB)(3.373)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$25.09 $15.94
1
Add To Cart
97380237
CLAMP, THERMOSTAT BYPASS HOSE(PART OF 39)(NOMINAL DIAMETER 34MM,S60C-CSP STEEL,470-550HV,GEOMET,15 WIDTH)(1.762)
- Fitting Vehicle Options: CK1(L3B)
- Require Quantity: 02
- Package Quantity: 1
$9.52 $6.37

CLAMP, Engine Oil Cooler
11570871
CLAMP, ENGINE OIL COOLER COOLANT INLET HOSE(PART OF 18)(GRAY)(23X12)(CLAMP-SPRINGBAND)(8.948)
Require Quantity: 02
Package Quantity: 1
$12.60
1
Add To Cart
11570871
CLAMP, ENGINE OIL COOLER COOLANT OUTLET HOSE(PART OF 29)(GRAY)(23X12)(CLAMP-SPRINGBAND)(8.948)
- Require Quantity: 02
- Package Quantity: 1
$12.60
1
Add To Cart
11570871
CLAMP, ENGINE OIL COOLER COOLANT INLET HOSE(PART OF 18)(GRAY)(23X12)(CLAMP-SPRINGBAND)(8.948)
$12.60
1
Add To Cart
11611503
CLAMP, ENGINE OIL COOLER COOLANT INLET HOSE(PART OF 18)(BLACK)(27X12)(CTB)(3.373)
$25.09 $15.94
1
Add To Cart
11611503
CLAMP, ENGINE OIL COOLER COOLANT OUTLET HOSE(PART OF 29)(BLACK)(27X12)(CTB)(3.373)
$25.09 $15.94
1
Add To Cart

55575090
RETAINER, Computer Control Sensors, RETAINER,ENGINE COOLANT TEMPERATURE SENSOR(AT RADIATOR & FLOW CONTROL VALVE)(PART OF 15)(SQUARE CROSS SECTION WIRE)
$8.42 $4.69
1
Add To Cart

CLAMP, Engine Coolant By-Pass
90530642
CLAMP, ENGINE COOLANT AIR BLEED HOSE(PART OF 41)(CLAMP-SPRINDBAND, 14X12, DOUBLE BAND)(3.337)
Fitting Vehicle Options: CK1(43-53)(LM2)
$9.54 $5.06
5
Add To Cart
90530642
CLAMP, ENGINE COOLANT AIR BLEED HOSE(PART OF 2)(CLAMP-SPRINDBAND, 14X12, DOUBLE BAND)(3.337)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$9.54 $5.06
5
Add To Cart
55492736
CLAMP, ENGINE COOLANT AIR BLEED HOSE(PART OF 41)(12.5 DIAMETER,8 WIDE)
- Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
$5.94 $3.98
1
Add To Cart
90572589
CLAMP, ENGINE COOLANT AIR BLEED HOSE(BLACK)(19NOM DIAMETER,12WIDTH)(*KIT1)(1.240)
- Fitting Vehicle Options: CK1(43-53)(LM2)
- Require Quantity: 02
- Package Quantity: 1
$6.71 $4.48
1
Add To Cart

CLIP, Chassis/Engine Wiring Harness

13105822
CLIP, WIRING HARNESS(PART OF 41)(CONNECT RETNR,OVAL PLASTIC TREE,22 OUTSIDE DIAMETER)
$4.21 $2.68
1
Add To Cart
24422008
CLIP, ENGINE WIRING HARNESS(PART OF 11)(BLACK)(FOLD OVER CLIP HOLDS (1)9.9 PIPE, TREE FITS 6.3 HOLE)(3.682)
$4.42 $2.81

11548002
BOLT, Heater, BOLT,HEATER OUTLET PIPE(M5X0.8X17)(8MM SOCKET, 12MM OUTSIDE DIAMETER)(1.428)
- Require Quantity: 02
- Package Quantity: 1
$7.21 $4.35
1
Add To Cart

11548002
BOLT, Engine Coolant Thermostat, BOLT,ENGINE COOLANT THERMOSTAT HOUSING BRACKET(M5X0.8X17)(8MM SOCKET, 12MM OUTSIDE DIAMETER)(1.428)
- Require Quantity: 02
- Package Quantity: 1
$7.21 $4.35
1
Add To Cart

BOLT, Exhaust Pipe
11548002
BOLT, EXHAUST MANIFOLD OUTLET PIPE(M5X0.8X17)(8MM SOCKET, 12MM OUTSIDE DIAMETER)(1.428)
Fitting Vehicle Options: CK1(L3B)
$7.21 $4.35
1
Add To Cart
11548165
BOLT, EXHAUST MANIFOLD OUTLET PIPE(M5X0.8X20)(1.609)
- Fitting Vehicle Options: CK1
- Require Quantity: 03
- Package Quantity: 1
$4.36 $2.78

11548002
BOLT, Emission System, BOLT,EGR OUTLET PIPE(M5X0.8X17)(8MM SOCKET, 12MM OUTSIDE DIAMETER)(1.428)
$7.21 $4.35
1
Add To Cart

BOLT, Engine Coolant
11548002
BOLT, ENGINE COOLANT OUTLET PIPE BRACKET(M5X0.8X17)(8MM SOCKET, 12MM OUTSIDE DIAMETER)(1.428)
Fitting Vehicle Options: CK1(43-53)(LM2)
$7.21 $4.35
1
Add To Cart
11548170
BOLT, WATER OUTLET(M6X1X38)(10 MM SOCKET)(1.652)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Require Quantity: 03
- Package Quantity: 1
$4.03 $2.55
1
Add To Cart

BOLT, Engine Coolant Pump
11548003
BOLT, WATER PUMP(M5X0.8X25)(1.780)
Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
Require Quantity: 04
Package Quantity: 1
$0.41 $0.27
1
Add To Cart
11548179
BOLT, WATER PUMP(M8X1.25X43)(13MM SOCKET)(0.659)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Require Quantity: 03
- Package Quantity: 1
$4.83 $3.07
1
Add To Cart
11548811
BOLT, WATER PUMP(PART OF 25)(M5X0.8X72)
- Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
- Require Quantity: 02
- Package Quantity: 1
$5.94 $3.77
1
Add To Cart

11602547
STUD, Engine Coolant, STUD,WATER OUTLET(1.097)
$4.14 $2.63
1
Add To Cart

11602547
STUD, Engine Coolant Pump, STUD,WATER INLET(1.097)
$4.14 $2.63
1
Add To Cart

11602547
STUD, Engine Coolant By-Pass, STUD,ENGINE COOLANT AIR BLEED HOSE
$4.14 $2.63
1
Add To Cart

11611503
CLAMP, Heater, CLAMP,HEATER OUTLET HOSE(PART OF 48)(BLACK)(27X12)(CTB)(3.373)
- Require Quantity: 02
- Package Quantity: 1
$25.09 $15.94
1
Add To Cart

11611503
CLAMP, Emission System, CLAMP,EGR MANIFOLD COOLING WATER HOSE(PART OF 18)(BLACK)(27X12)(CTB)(3.373)
- Require Quantity: 02
- Package Quantity: 1
$25.09 $15.94
1
Add To Cart

GASKET, Engine Coolant Pump
12665975
GASKET, WATER PUMP INLET
Fitting Vehicle Options: CK1(03-43-53)(L3B)
$1.62 $0.90
1
Add To Cart
55490545
GASKET, WATER PUMP(PART OF 25)
- Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
$4.10 $2.26
1
Add To Cart

12665976
GASKET, Manifold to Cylinder Head, GASKET,EXHAUST MANIFOLD OUTLET PIPE
$3.68 $2.24
1
Add To Cart

12666026
SEAL, Engine Coolant By-Pass, SEAL,ENGINE COOLANT FLOW CONTROL VALVE(PART OF 15)
$2.18 $1.38
1
Add To Cart

HOSE, Engine Coolant By-Pass
12667454
HOSE, THERMOSTAT BYPASS(PART OF 39)(PIPE ASM-THERMOSTAT BYPASS-UPPER)
Fitting Vehicle Options: CK1(03-43-53)(L3B)
$32.72 $20.81
1
Add To Cart
12668044
HOSE, THERMOSTAT BYPASS(PART OF 53)(INLET ASM-WATER)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
$30.45 $20.10
1
Add To Cart
12686972
HOSE, THERMOSTAT BYPASS(PART OF 39)(PIPE ASM-THERMOSTAT BYPASS-LOWER)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Replaced By: 12708930
$28.28 $14.99
1
Add To Cart
12698116
HOSE, THERMOSTAT BYPASS(PART OF 4)(PIPE ASM-EXHAUST MANIFOLD OUTLET)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
- Replaced By: 12732417
$30.40 $16.95
1
Add To Cart
40009054
HOSE, ENGINE COOLANT AIR BLEED(INCLUDES 42-47,49-51)(COMPLETE ASM)
- Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
$112.03 $71.22
1
Add To Cart
55492656
HOSE, THERMOSTAT BYPASS(INCLUDES 33)(INCLUDES OUTLET,HOSE,CLAMPS)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$68.50 $43.55
1
Add To Cart
55496834
HOSE, THERMOSTAT BYPASS(PART OF 34)(FROM ENGINE BLOCK TO LOWER CRANKCASE EXTENSION)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$13.85 $9.14
1
Add To Cart
55496921
HOSE, THERMOSTAT BYPASS(FROM WATER PUMP INLET PIPE TO LOWER CRANKCASE EXTENSION)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$15.97 $10.15
1
Add To Cart
55497097
HOSE, THERMOSTAT BYPASS(INCLUDES 54)(INCLUDES HOSE/THERMAL,CLAMP)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$55.48 $35.27
1
Add To Cart
55506136
HOSE, THERMOSTAT BYPASS(INCLUDES 9)(INCLUDES HOSE/EGR,CLAMP)
- Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
$29.66 $18.85
1
Add To Cart
55506796
HOSE, THERMOSTAT BYPASS
- Fitting Vehicle Options: CK1(43-53)(LM2)
- Replaced By: 55511710
$26.90 $17.75
1
Add To Cart
55510685
HOSE, THERMOSTAT BYPASS(INCLUDES 36-38)(INCLUDES OUTLETS,HOSE,CLAMP)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$91.82 $58.36
1
Add To Cart
55515485
HOSE, ENGINE COOLANT AIR BLEED(INCLUDES 3,52)
- Fitting Vehicle Options: CK1(43-53)(LM2)
$49.53 $31.49
1
Add To Cart

12668035
SEAL, Engine Coolant Pump, SEAL,WATER PUMP OUTLET PORTION(PART OF 10)
$0.50 $0.31
1
Add To Cart

SENSOR, Coolant Temperature (Engine Unit)
12673064
SENSOR, ENGINE COOLANT TEMPERATURE(PART OF 53)(M8X1.25 THREAD)(W/SEALING WASHER)
Fitting Vehicle Options: CK1(03-43-53)(L3B)
$23.40 $13.05
1
Add To Cart
12673064
SENSOR, ENGINE COOLANT TEMPERATURE(PART OF 4)(M8X1.25 THREAD)(W/SEALING WASHER)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
$23.40 $13.05
1
Add To Cart
12673064
SENSOR, ENGINE COOLANT TEMPERATURE(M8X1.25 THREAD)(W/SEALING WASHER)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
$23.40 $13.05
1
Add To Cart
55489870
SENSOR, ENGINE COOLANT TEMPERATURE(CLIPS INTO FLOW CONTROL VALVE)(INCLUDES 35)(PART OF 15)(PUSH IN)(W/SEAL)
- Fitting Vehicle Options: CK1(03-43-53)(L3B)
$8.55 $5.43
1
Add To Cart
55490805
SENSOR, ENGINE COOLANT TEMPERATURE(THREADS INTO ENGINE BLOCK & WATER PUMP INLET PIPE)(M8X1.25 THREAD)(MATING CONNECT USE 13587321)
- Fitting Vehicle Options: CK1(43-53)(LM2)
- Require Quantity: 03
- Package Quantity: 1
$12.02 $6.70
1
Add To Cart
55490805
SENSOR, ENGINE COOLANT TEMPERATURE(THREADS INTO ENGINE BLOCK & WATER PUMP INLET PIPE)(PART OF 39)(M8X1.25 THREAD)(MATING CONNECT USE 13587321)
- Fitting Vehicle Options: CK1(43-53)(LM2)
- Require Quantity: 03
- Package Quantity: 1
$12.02 $6.70
1
Add To Cart

12691175
PIPE, Heater, PIPE,HEATER OUTLET(INCLUDES 43,44)
$80.63 $44.95
1
Add To Cart

HOSE, Engine Oil Cooler

12692080
HOSE, ENGINE OIL COOLER COOLANT INLET(INCLUDES 13,14,17,19-22)
$16.88 $10.73
1
Add To Cart
12701099
HOSE, ENGINE OIL COOLER COOLANT OUTLET(INCLUDES 24-28,30,31)
- Replaced By: 12735555
$33.82 $20.45
1
Add To Cart

12693960
INLET, Engine Coolant Pump, INLET,WATER(INCLUDES 47,50,51)
$108.34 $72.48
1
Add To Cart

12701678
PIPE, Exhaust Manifold, PIPE,EXHAUST MANIFOLD OUTLET(INCLUDES 1,5-7)
$175.70 $116.99
1
Add To Cart

PIPE, Engine Coolant By-Pass
12711706
PIPE, THERMOSTAT BYPASS(INCLUDES 23,32,33,41)
Fitting Vehicle Options: CK1(03-43-53)(L3B)
$99.22 $55.32
1
Add To Cart
55516401
PIPE, THERMOSTAT BYPASS
- Fitting Vehicle Options: CK1(43-53)(LM2)
- Require Quantity: 02
- Package Quantity: 1
$33.48 $18.67
1
Add To Cart

VALVE, Engine Coolant By-Pass
12716427
VALVE, ENGINE COOLANT FLOW CONTROL(INCLUDES 16,34-36,38)
Fitting Vehicle Options: CK1(L3B)
$350.11 $221.51
1
Add To Cart
24001355
VALVE, ENGINE COOLANT FLOW CONTROL(INCLUDES 12,13,16)(MATING CONNECT USE 19371191)
- Fitting Vehicle Options: CK1(43-53)(LM2,MQB)
$322.56 $204.08
1
Add To Cart

12718538
PUMP, Engine Coolant, PUMP,WATER (MODULE)(INCLUDES 46)
- Replaced By: 12738952
$338.48 $172.32
1
Add To Cart

40009318
HARNESS, Computer Control Sensors, HARNESS,ENGINE COOLANT TEMPERATURE SENS
$28.37 $18.03
1
Add To Cart

GASKET, Engine Coolant Thermostat Housing

55496127
GASKET, ENGINE COOLANT THERMOSTAT HOUSING(PART OF 11)
$2.24 $1.19
1
Add To Cart
55496954
GASKET, ENGINE COOLANT THERMOSTAT(17.5 INSIDE DIAMETER)(OUTLET GASKET)
$1.26 $0.69
1
Add To Cart
55496955
GASKET, ENGINE COOLANT THERMOSTAT(22.3 INSIDE DIAMETER)(INLET GASKET)
- Require Quantity: 04
- Package Quantity: 1
$1.96 $1.04
1
Add To Cart

55496156
SEAL, Radiator Outlet (Lower), SEAL,RADIATOR OUTLET PIPE (O RING)(PART OF 25,39)
$2.30 $1.54
1
Add To Cart

55496798
PIPE, Engine Coolant Pump, PIPE,WATER PUMP INLET(INCLUDES 28,29)
$96.69 $64.68
1
Add To Cart

55497096
HOSE, Emission System, HOSE,EGR COOLER WTR BYPASS OUTLET(INCLUDES 17)
$16.34 $10.39
1
Add To Cart

55497445
GASKET, Turbocharger/Supercharger Air/VACUUM/Cooling, GASKET,TURBO COOLANT FEED & RETURN PIPE(PART OF 41)
- Require Quantity: 02
- Package Quantity: 1
$2.00 $1.27
1
Add To Cart

55507168
INSULATOR, Engine Coolant Pump, INSULATOR,WATER PUMP(PART OF 42)
- Require Quantity: 03
- Package Quantity: 1
$5.13 $3.26
1
Add To Cart

HOSE, Turbocharger/Supercharger Air/VACUUM/Cooling

55512938
HOSE, TURBO COOLANT RETURN(HOSE ONLY)(*KIT1)
$45.87 $29.16
1
Add To Cart
55512939
HOSE, TURBO COOLANT RETURN(INCLUDES 5,6)
$45.51 $28.92
1
Add To Cart

55516402
PIPE, Emission System, PIPE,EGR COOLANT RETURN(PIPE ONLY)
$21.42 $11.94
1
Add To Cart

12721220
PIPE, Radiator Inlet (Upper), PIPE,ENGINE COOLANT THERMOSTAT HOUSING INLET(INCLUDES 8,11,12)
$32.69 $21.88

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2021 Chevrolet Silverado 1500 2WD parts. Parts like Engine Assembly-Cooling & Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl5.3L. Model Code: CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON.