My Garage
My Account
Cart
Engine Assembly-Cylinder Block & Related Parts fit your 2020 Chevrolet Silverado 3500 HD 2WD
Currently shopping for
2020 Chevrolet Silverado 3500 HD 2WD
Change VehicleCategories Close X
Currently selected
Engine
- Engine & Transmission Mounting
- Engine Assembly & Partial Engine
- Engine Assembly-Camshaft And Timing Gears
- Engine Assembly-Cooling & Related Parts
- Engine Assembly-Cylinder Block & Related Parts
- Engine Assembly-Cylinder Head & Related Parts
- Engine Assembly-Cylinder Head & Rocker Cover-Left Hand Side
- Engine Assembly-Cylinder Head & Rocker Cover-Right Hand Side
- Engine Assembly-Cylinder Head & Valvetrain Detail
- Engine Assembly-Exhaust & Related Parts
- Engine Assembly-Front Cover & Cooling & Related Parts
- Engine Assembly-Intake Manifold & Related Parts
- Engine Assembly-Manifold & Fuel Related Parts
- Engine Assembly-Oil Cooler & Related Parts
- Engine Assembly-Oil Pump, Pan & Related Parts
- Engine To Transmission Mounting
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
How to use OE catalog
Sort by:
Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
11588711
BOLT, Distributor (also Knock Sensor), BOLT,CRANKSHAFT POSITION SENSOR(M6X1X16, 14.2 OUTSIDE DIAMETER)(HEX FLANGED HEAD)(10 THREAD, 8.8 STEEL)(8.900)$7.74 $4.921
$108.21 $63.281
$41.02 $24.771
11515758
BOLT, Engine Timing, BOLT,TIMING CHAIN TENSIONER(PART OF 36)(M8X1.25X30)OR(M8X1.25X45,21 THREAD)(8.900)- Require Quantity: 02
- Package Quantity: 10
$2.18 $1.3110
11515781
BOLT, Engine Clutch Housing, BOLT,FLYWHEEL HOUSING(M12X1.75X60,30 THREAD)(FLANGE)(8.900)- Require Quantity: 04
- Package Quantity: 5
$7.64 $4.855
11588468
PLUG, Engine Block, PLUG,ENGINE BLOCK COOLANT DRAIN HOLE(M10X1.5X15)(4.115)- Require Quantity: 02
- Package Quantity: 10
$1.47 $0.9410
$66.81 $39.071
12683811
BEARING, Engine Connecting Rod, BEARING,CONNECT ROD- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 12735504
$12.70 $7.671
- 12683811
BEARING KIT, Engine Connecting Rod, BEARING KIT,CONNECT ROD- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 12735504
$12.70 $7.671
12627520
GASKET, Engine Rear Main Bearing, GASKET,CRANKSHAFT REAR OIL SEAL HOUSING(SINGLE USE)(PART OF 18)(SINGLE USE)$12.15 $7.341
- BEARING, Engine Camshaft & Balance Shaft Front
11547372
BOLT, Engine Crankshaft Pulley and Balancer, BOLT,CRANKSHAFT BALANCER(SINGLE USE)(M16X2X103)(SEE BULLETIN PIP5156 TO SEE GENERATOR 4/5 CROSS.SHAFT BALANCER BOLT DIFFERENTIAL)$41.82 $25.271
$216.96 $126.901
12661074
PLUG, Engine Oil Distribution, PLUG,ENGINE BLOCK OIL GALLERY(INCLUDES 9)(OIL GALLEY)(LOWER)(W/O-RING)$5.39 $3.42
11561455
BOLT, Engine Camshaft, BOLT,CAMSHAFT RETAINER(M8X1.25X15)(8.908)- Require Quantity: 04
- Package Quantity: 1
$7.59 $4.591
1453658
PIN, Engine Clutch Housing or Transmission, PIN,TRANS LOCATING(5/8 X 1 3/16)(8.939)- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 12720455
$10.67 $6.441
$81.54 $48.101
11588327
RETAINER, Engine Rear Main Bearing, RETAINER,CRANKSHAFT REAR OIL SEAL HOUSING BOLT(PART OF 18)(ROUND M8 BOLT)(4.128)- Require Quantity: 12
- Package Quantity: 1
$7.74 $4.671
- 11588327
RETAINER, Engine Timing, RETAINER,TIMING CHAIN TENSIONER BOLT(PART OF 36)(ROUND M8 BOLT)(4.128)- Require Quantity: 02
- Package Quantity: 1
$7.74 $4.671
$8.66 $5.421
$69.48 $40.631
$9.69 $6.071
11546565
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP(SINGLE USE)(M8X1.25X25)(HEXAGON FLANGE)(SINGLE USE)- Require Quantity: 10
- Package Quantity: 1
$7.35 $4.611
11548076
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP(SINGLE USE)(M10X2X96)(SINGLE USE)- Require Quantity: 10
- Package Quantity: 1
$7.35 $4.441
11589001
BOLT, Flywheel & Clutch & Converter Housing, BOLT,FLYWHEEL HOUSING COVER(M8X1.25X25)(HEXFLANGE)(W/ADHESIVE)(0.056)- Require Quantity: 02
- Package Quantity: 1
$10.25 $6.421
11610965
BOLT, Engine Flywheel, BOLT,FLYWHEEL(SINGLE USE)(M16X45X1.5)- Require Quantity: 08
- Package Quantity: 1
$7.02 $4.401
94048159
PIN, Engine Crankshaft/Timing Gear, PIN,CRANKSHAFT GEAR(PART OF 35)(5MM O.D. X 6MM LG)(0.738)- Require Quantity: 02
- Package Quantity: 1
$1.37 $0.911
97228317
PIN, Transmission Case, PIN,TRANS CASE LOCATING(15.7MMX21MM)(0.206)- Require Quantity: 02
- Package Quantity: 1
$14.30 $9.09
11548075
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP(SINGLE USE)(M10X2X82)(SINGLE USE)- Require Quantity: 10
- Package Quantity: 1
$7.35 $4.611
11611351
PLUG, Engine Block, PLUG,ENGINE BLOCK COOLANT DRAIN HOLE(M28X1.25X13)(8.971)- Replaced By: 11602951
$3.93 $2.461
12651561
PLUG, Engine Oil Distribution, PLUG,ENGINE BLOCK OIL GALLERY(19MM)- Require Quantity: 05
- Package Quantity: 1
$1.24 $0.781
19333511
ADHESIVE, Maintenance Products, ADHESIVE,THREADLOCKER(VIBRA-TITE 121)(MEDIUM STRENGTH)(BLUE)(20 OUNCE(PART OF 23,24)$10.48 $5.761
22531637
PIN, Engine Rear Main Bearing, PIN,CRANKSHAFT REAR OIL SEAL HOUSING LOCATING(PART OF 18)(8MM DIAMETER,12MM LONG)(DOWEL)(0.413)- Require Quantity: 02
- Package Quantity: 10
$5.36 $3.4010
$7.35 $4.671
- $7.35 $4.671
12561513
KEY, Engine Crankshaft Pulley and Balancer, KEY,CRANKSHAFT BALANCER(PART OF 24)(4.8MMX37.5MM)$7.73 $4.921
12623095
SENSOR, Distributor (also Knock Sensor), SENSOR,KNOCK(INCLUDES 14)- Require Quantity: 02
- Package Quantity: 1
$44.02 $23.321
- BEARING, Engine Camshaft & Balance Shaft Front
19260877
BEARING, Engine Camshaft & Balance Shaft Front, BEARING,CAMSHAFT(THICK DIAMETER .0898-.0894)(POSITIVE #1 & #5)- Require Quantity: 02
- Package Quantity: 1
$57.98 $35.021
94034146
GASKET, Engine Block, GASKET,ENGINE BLOCK COOLANT DRAIN HOLE PLUG(SINGLE USE)(INSIDE DIAMETER:10.2 OUTSIDE DIAMETER:15.2)(1.844)- Require Quantity: 02
- Package Quantity: 10
$5.27 $3.3010
$7.03 $4.401
- $7.03 $4.401
- 11547134
BOLT, Engine Rear Main Bearing, BOLT,CRANKSHAFT REAR OIL SEAL HOUSING(PART OF 18)(1.639)- Require Quantity: 12
- Package Quantity: 1
$1.06 $0.671
11548432
BOLT, Engine Connecting Rod Cap, BOLT,CONNECT ROD(PART OF 3)- Require Quantity: 02
- Package Quantity: 1
$2.07 $1.251
11589168
BOLT, Engine Crankshaft Pulley And Balancer, BOLT,CRANKSHAFT PULLEY(M10X1.5X49.8,41THD)(28 OUTSIDE DIAMETER, 10.9)(4.634)- Require Quantity: 03
- Package Quantity: 1
$4.90 $2.701
11610683
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP(USE TOGETHER WITH SEALANT 12346004)- Require Quantity: 10
- Package Quantity: 1
$8.95 $5.611
- 11611760
BOLT, Engine Connecting Rod Cap, BOLT,CONNECT ROD(SINGLE USE)(PART OF 53)- Require Quantity: 16
- Package Quantity: 1
$6.70 $4.261
- $5.17 $3.291
- 12623048
PIN, Engine Clutch Housing or Transmission, PIN,FLYWHEEL HOUSING LOCATING- Require Quantity: 02
- Package Quantity: 1
$9.26 $5.861
- 12624812
INSERT, Engine Clutch Housing, INSERT,FLYWHEEL HOUSING(PART OF 9)- Require Quantity: 02
- Package Quantity: 1
$8.80 $5.601
- 12631285
BEARING, Engine Camshaft & Balance Shaft Front, BEARING,CAMSHAFT(POSITION 1)(BEARING IS UNFINISHED REQUIRES LINE BORING)$8.25 $5.171
- 12631286
BEARING, Engine Camshaft & Balance Shaft Front, BEARING,CAMSHAFT(POSITIVE 2,3,4,5)(BEARING IS UNFINISHED REQUIRES LINE BORING)- Require Quantity: 04
- Package Quantity: 1
$8.24 $5.171
$21.90 $13.731
12638432
SEAL, Engine Oil Distribution, SEAL,ENGINE BLOCK OIL GALLERY PLUG(O RING)(SINGLE USE)(PART OF 8)(LOWER)(SINGLE USE)$7.94 $4.971
$7.95 $4.971
- $27.23 $16.451
$41.38 $21.931
- $24.29 $15.441
- 12656762
RETAINER, Engine Piston PINION, RETAINER,PISTON PINION(PART OF 1)- Require Quantity: 16
- Package Quantity: 1
$12.33 $7.731
- 12658507
SEAL, Engine Clutch Housing, SEAL,FLYWHEEL HOUSING TO ENGINE- Require Quantity: 02
- Package Quantity: 1
$7.73 $4.851
- RING KIT, Engine Piston
- 12662372
WASHER, Engine Oil Pump, WASHER,OIL PUMP DRIVE SHAFT GEAR(PART OF 32)- Require Quantity: 02
- Package Quantity: 1
$9.65 $6.131
12665076
SEAL, Engine Rear Main Bearing, SEAL,CRANKSHAFT REAR OIL(SINGLE USE)(PART OF 18)(SINGLE USE)(W/O INSTRUCTION SHEET)$45.69 $27.611
12669636
SENSOR, Distributor (also Knock Sensor), SENSOR,CRANKSHAFT POSITION(INCLUDES 50)(MATING CONNECTOR USE 19299690)$54.30 $28.781
- $96.02 $61.041
- $1103.48 $849.681
- 12680192
ROD, Engine Piston, ROD,CONNECT(INCLUDES 3,50,51)- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 12683616
$103.63 $75.381
12680282
ADAPTER, Transmission Case, ADAPTER,TORQUE CONVERTER HOUSING & AUTOMATIC TRANSMISSION CASE(INCLUDES 8,14)(0.683)$429.85 $315.341
- $429.85 $315.341
$134.48 $78.661
12685817
BEARING KIT, Engine Connecting Rod, BEARING KIT,CONNECT ROD- Require Quantity: 08
- Package Quantity: 1
$15.51 $9.721
- $50.88 $27.981
- $279.53 $175.261
- $222.96 $130.391
$53.84 $32.531
- PISTON KIT, Engine Piston12693468
PISTON KIT, ENGINE(INCLUDES 2,54,55)- Fitting Vehicle Options: CK2,3(03-43-53)(L5P)
- Require Quantity: 08
- Package Quantity: 1
$247.28 $155.051 
12699527
PISTON KIT, ENGINE(INCLUDES 55,56)(STD)- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(03-43-53)(L8T)
- Require Quantity: 04
- Package Quantity: 1
$60.87 $38.691- 12699528
PISTON KIT, ENGINE(INCLUDES 55,56)(.5MM OVERSIZE)- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(03-43-53)(L8T)
- Require Quantity: 04
- Package Quantity: 1
$141.99 $89.021 
12699529
PISTON KIT, ENGINE(INCLUDES 55,56)(STD)- Location: Driver Side
- Fitting Vehicle Options: CK2,3(03-43-53)(L8T)
- Require Quantity: 04
- Package Quantity: 1
$60.88 $38.691- 12699530
PISTON KIT, ENGINE(INCLUDES 55,56)(.5MM OVERSIZE)- Location: Driver Side
- Fitting Vehicle Options: CK2,3(03-43-53)(L8T)
- Require Quantity: 04
- Package Quantity: 1
$141.99 $89.021
- $39.67 $23.981
- $17.34 $10.871
- BEARING KIT, Engine Crankshaft Main$97.87 $61.361
- 12729655
BEARING KIT, CRANKSHAFT(INCLUDES 25,37,39)(COMPLETE KIT POSITIONS 1-5)- Fitting Vehicle Options: CK2,3(L8T)
$90.91 $57.78
- 12705664
HOUSING, Engine Rear Main Bearing, HOUSING,CRANKSHAFT REAR OIL SEAL(INCLUDES 17,19,20,21,22)$107.67 $44.481
$134.35 $81.191
- $1430.35 $896.821
- $39.85 $24.081
$165.43 $103.721
1647383
RETAINER, Engine Piston PINION, RETAINER,PISTON PINION(PART OF 1)- Require Quantity: 08
- Package Quantity: 1
$8.90 $5.371
24502262
PLUG, Engine Cylinder Head, PLUG,CYL HEAD CORE HOLE(PART OF 24)(INCLUDES 40)(1.014 OUTSIDE DIAMETER,.32 THICK,FROM .05 THICK 304 STAINLESS)$7.54 $4.721
55585169
BOLT, Distributor (also Knock Sensor), BOLT,CRANKSHAFT POSITION SENSOR RELUCTOR RING(PART OF 35)- Require Quantity: 03
- Package Quantity: 10
$2.67 $1.6810
$7.02 $4.4610
94399639
PLUG, Engine Block, PLUG,ENGINE BLOCK COOLANT DRAIN HOLE(OUTSIDE DIAMETER=40MM)- Require Quantity: 07
- Package Quantity: 30
$7.54 $4.7230
94399688
PIN, Engine Main Bearing Cap, PIN,CRANKSHAFT REAR MAIN BEARING CAP LOCATING(OUTSIDE DIAMETER=18.15)- Require Quantity: 02
- Package Quantity: 1
$2.38 $1.591
97329601
BOLT, Engine Crankshaft Pulley And Balancer, BOLT,CRANKSHAFT BALANCER(SINGLE USE)(12 POINT HEAD)(RIGHT HAND THREAD)$22.29 $13.031
$60.39 $38.381
- 11547203
BOLT, Engine Main Bearing Cap, BOLT,CRANKSHAFT BEARING CAP- Require Quantity: 10
- Package Quantity: 1
$6.14 $3.90
- $5.70 $3.62
$34.02 $18.97
- 11611991
PLUG, Engine Oil Distribution, PLUG,ENGINE BLOCK OIL GALLERY- Require Quantity: 04
- Package Quantity: 1
$5.49 $3.49
$59.09 $39.53
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2020 Chevrolet Silverado 3500 HD 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: 8 Cyl 6.6L, 8 Cyl 6.6L Diesel. Model Code: CREW CAB 6'6" BOX 1 TON 119.0, CREW CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON.