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Home 2021 GMC Sierra 3500 HD Base 6.6L V8 - Flex Engine

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2021 GMC Sierra 3500 HD

Base 6.6L V8 - Flex

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Engine for 2021 GMC Sierra 3500 HD

Diagram 1 1. Engine Diagram 2 2. Exhaust Valve Diagram 3 3. Control Valve 4. Engine Camshaft Seal
Engine for 2021 GMC Sierra 3500 HD #0
No.
Part # / Description / Price
Price
N/A
12740077 - Engine: Engine for GM Image
Engine 1
12740077
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $7,687.19 CAD
$6,641.73 CAD
MSRP $7,687.19 CAD
$6,641.73 CAD
N/A
12738896 - Engine: Oil Cooler for GM Image
Oil Cooler
12738896
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Assembly. 6.6L diesel, lower components, fm 11/30/2023.
MSRP $677.12 CAD
$402.26 CAD
MSRP $677.12 CAD
$402.26 CAD
N/A
85043935 - Engine: Front Mount for GM Image
Motor Mount
85043935
GM GM
Description: 6.6L diesel. Silverado, Sierra 3500 HD. Right. Silverado, Sierra 2500 HD.
MSRP $158.28 CAD
$100.47 CAD
MSRP $158.28 CAD
$100.47 CAD
1
12724881 - Engine: Cylinder Head for GM Image
F Head
12724881
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $2,046.92 CAD
$1,299.88 CAD
MSRP $2,046.92 CAD
$1,299.88 CAD
2
12688186 - Engine: Head Gasket for GM Image
Head Gasket
12688186
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $81.34 CAD
$51.65 CAD
MSRP $81.34 CAD
$51.65 CAD
3
12723317 - Engine: Valve Cover for GM Image
Valve Cover
12723317
GM GM
Notes: Includes: Gasket.
MSRP $172.57 CAD
$109.56 CAD
MSRP $172.57 CAD
$109.56 CAD
3
12727455 - Engine: Valve Cover for GM Image
Valve Cover
12727455
GM GM
Notes: Includes: Gasket.
MSRP $153.05 CAD
$97.18 CAD
MSRP $153.05 CAD
$97.18 CAD
4
12619787 - Engine: Valve Cover Gasket for GM Image
Valve Cover Gasket
12619787
GM GM
MSRP $8.53 CAD
$5.44 CAD
MSRP $8.53 CAD
$5.44 CAD
5
12703404 - Engine: Intake Valve for GM Image
Intake Valve
12703404
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $30.04 CAD
$19.07 CAD
MSRP $30.04 CAD
$19.07 CAD
6
12733470 - Engine: Exhaust Valve for GM Image
Exhaust Valve
12733470
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $51.02 CAD
$32.41 CAD
MSRP $51.02 CAD
$32.41 CAD
7
12689006 - Engine: Valve Seals for GM Image
Valve Seals
12689006
GM GM
MSRP $7.59 CAD
$4.86 CAD
MSRP $7.59 CAD
$4.86 CAD
7
12689007 - Engine: Valve Seals for GM Image
Valve Seals
12689007
GM GM
MSRP $8.53 CAD
$5.38 CAD
MSRP $8.53 CAD
$5.38 CAD
8
12728733 - Engine: Valve Springs for GM Image
Valve Springs
12728733
GM GM
Description: Express, savana. Tahoe. Express 3500. Savana 3500. Express 2500. Suburban. Sierra, silverado. Savana 2500. Yukon XL.
MSRP $7.67 CAD
$4.84 CAD
MSRP $7.67 CAD
$4.84 CAD
9
10166344 - Engine: Valve Retainer for GM Image
Valve Retainer
10166344
GM GM
MSRP $9.44 CAD
$5.98 CAD
MSRP $9.44 CAD
$5.98 CAD
10
10166345 - Engine: Valve Keeper for GM Image
Valve Keeper
10166345
GM GM
MSRP $5.42 CAD
$3.42 CAD
MSRP $5.42 CAD
$3.42 CAD
11
12619829 - Engine: Rocker Arms for GM Image
Rocker Arms
12619829
GM GM
MSRP $26.76 CAD
$17.00 CAD
MSRP $26.76 CAD
$17.00 CAD
12
12619828 - Engine: Push Rods for GM Image
Push Rods
12619828
GM GM
MSRP $5.92 CAD
$3.76 CAD
MSRP $5.92 CAD
$3.76 CAD
13
12698945 - Engine: Valve Lifters for GM Image
Valve Lifters
12698945
GM GM
MSRP $65.61 CAD
$35.47 CAD
MSRP $65.61 CAD
$35.47 CAD
14
12742436 - Engine: Camshaft for GM Image
Camshaft
12742436
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $282.05 CAD
$179.07 CAD
MSRP $282.05 CAD
$179.07 CAD
15
19260878 - Engine: Camshaft Bearings for GM Image
Engine Camshaft Bearing
19260878
GM GM
Description: Position-2,4. Express, savana. With iron block 6.0l (l96). Silverado, Sierra 2500 HD. No. 2 & 4. Silverado, Sierra 3500 HD. Yukon XL, Suburban. Avalanche. 2wd.
MSRP $71.69 CAD
$45.50 CAD
MSRP $71.69 CAD
$45.50 CAD
15
19260877 - Engine: Camshaft Bearings for GM Image
Engine Camshaft Bearing
19260877
GM GM
Description: Position-1,5. Express, savana. With iron block 6.0l (l96). Silverado, Sierra 2500 HD. No. 1 & 5. Silverado, Sierra 3500 HD. Yukon XL, Suburban. Avalanche. 2wd.
MSRP $71.26 CAD
$45.23 CAD
MSRP $71.26 CAD
$45.23 CAD
15
19260879 - Engine: Camshaft Bearings for GM Image
Engine Camshaft Bearing
19260879
GM GM
Description: Position-3. Express, savana. With iron block 6.0l (l96). No.3. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Yukon XL, Suburban. Avalanche. 2wd.
MSRP $73.70 CAD
$46.77 CAD
MSRP $73.70 CAD
$46.77 CAD
16
12634614 - Engine: Front Crank Seal for GM Image
Engine Crankshaft Seal
12634614
GM GM
MSRP $12.86 CAD
$8.16 CAD
MSRP $12.86 CAD
$8.16 CAD
18
12691692 - Engine: Front Cover for GM Image
Engine Timing Cover
12691692
GM GM
MSRP $143.99 CAD
$91.44 CAD
MSRP $143.99 CAD
$91.44 CAD
19
12713934 - Engine: Crankshaft Gear for GM Image
Crankshaft Gear
12713934
GM GM
MSRP $81.09 CAD
$51.49 CAD
MSRP $81.09 CAD
$51.49 CAD
20
12630107 - Engine: Tensioner for GM Image
Tensioner
12630107
GM GM
MSRP $57.98 CAD
$36.82 CAD
MSRP $57.98 CAD
$36.82 CAD
21
12646387 - Engine: Timing Chain for GM Image
Timing Chain
12646387
GM GM
MSRP $140.87 CAD
$89.41 CAD
MSRP $140.87 CAD
$89.41 CAD
22
12689342 - Engine: Actuator for GM Image
Engine Timing Camshaft Sprocket
12689342
GM GM
MSRP $218.15 CAD
$138.50 CAD
MSRP $218.15 CAD
$138.50 CAD
23
12746597 - Engine: Control Valve for GM Image
Valve
12746597
GM GM
Description: Tahoe. Savana 2500. Express 2500. Suburban. Express 3500. Savana 3500.
MSRP $54.84 CAD
$34.82 CAD
MSRP $54.84 CAD
$34.82 CAD
24
12675031 - Engine: Solenoid for GM Image
Engine Variable Valve Timing (Vvt) Solenoid
12675031
GM GM
MSRP $54.85 CAD
$34.83 CAD
MSRP $54.85 CAD
$34.83 CAD
25
12735507 - Engine: Piston Rings for GM Image
F (S)Ring Kit
12735507
GM GM
Notes: Includes: One Ring Set For One Piston.
MSRP $188.34 CAD
$119.58 CAD
MSRP $188.34 CAD
$119.58 CAD
25
12735470 - Engine: Piston Rings for GM Image
Ring Kit
12735470
GM GM
Notes: Includes: One Ring Set For One Piston.
MSRP $66.09 CAD
$41.94 CAD
MSRP $66.09 CAD
$41.94 CAD
26
12699527 - Engine: Piston for GM Image
Engine Piston
12699527
GM GM
Notes: Includes: Pin And Retainer.
Description: Silverado, Sierra 2500 HD. Standard. Right. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500. Incl.Piston Pin.
MSRP $131.82 CAD
$83.69 CAD
MSRP $131.82 CAD
$83.69 CAD
26
12699530 - Engine: Piston for GM Image
Piston
12699530
GM GM
Notes: Includes: Pin And Retainer.
Description: Silverado, Sierra 2500 HD. Oversized 0.5mm. Left. Silverado, Sierra 3500 HD. Express 2500. O/s 0.5mm. Express 3500. Savana 2500. Savana 3500.
MSRP $169.86 CAD
$107.84 CAD
MSRP $169.86 CAD
$107.84 CAD
26
12699529 - Engine: Piston for GM Image
Engine Piston
12699529
GM GM
Notes: Includes: Pin And Retainer.
Description: Silverado, Sierra 2500 HD. Standard. Left. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500. Incl.Piston Pin.
MSRP $130.53 CAD
$82.87 CAD
MSRP $130.53 CAD
$82.87 CAD
26
12699528 - Engine: Piston for GM Image
Piston
12699528
GM GM
Notes: Includes: Pin And Retainer.
Description: Silverado, Sierra 2500 HD. Oversized 0.5mm. Right. Silverado, Sierra 3500 HD. Express 2500. O/s 0.5mm. Express 3500. Savana 2500. Savana 3500.
MSRP $169.86 CAD
$107.84 CAD
MSRP $169.86 CAD
$107.84 CAD
27
12675746 - Engine: Connecting Rod for GM Image
Connecting Rod
12675746
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $112.62 CAD
$71.50 CAD
MSRP $112.62 CAD
$71.50 CAD
28
12735504 - Engine: Connecting Rod Bearing for GM Image
Connecting Rod Bearing
12735504
GM GM
Notes: Includes: Upper & Lower Bearing For One Rod.
Description: Escalade ESV. Express 2500. Express 3500. Savana 2500. Savana 3500. Yukon XL. 6.2l. Corvette. Tahoe. 6.2l. Suburban. 6.2l. CTS-v.
MSRP $16.77 CAD
$10.65 CAD
MSRP $16.77 CAD
$10.65 CAD
29
12729655 - Engine: Main Bearings for GM Image
Main Bearings
12729655
GM GM
Notes: Includes: Upper, Lower & Thrust Bearing.
MSRP $104.69 CAD
$66.47 CAD
MSRP $104.69 CAD
$66.47 CAD
30
12708884 - Engine: Crankshaft for GM Image
Crankshaft
12708884
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $1,455.09 CAD
$923.81 CAD
MSRP $1,455.09 CAD
$923.81 CAD
31
12665076 - Engine: Rear Main Seal for GM Image
Rear Main Seal
12665076
GM GM
MSRP $55.88 CAD
$35.50 CAD
MSRP $55.88 CAD
$35.50 CAD
32
12705664 - Engine: Rear Main Seal Retainer for GM Image
Rear Main Seal Retainer
12705664
GM GM
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Express 2500. Express 3500. Savana 2500. Savana 3500.
MSRP $148.00 CAD
$93.97 CAD
MSRP $148.00 CAD
$93.97 CAD
33
12627520 - Engine: Rear Main Seal Gasket for GM Image
Engine Crankshaft Sealing Flange Gasket
12627520
GM GM
MSRP $10.84 CAD
$6.88 CAD
MSRP $10.84 CAD
$6.88 CAD
34
12680364 - Engine: Vibration Damper for GM Image
Vibration Damper
12680364
GM GM
MSRP $180.38 CAD
$114.57 CAD
MSRP $180.38 CAD
$114.57 CAD
35
12739177 - Engine: Oil Pan for GM Image
Oil Pan
12739177
GM GM
Notes: Includes: Oil Pick-up Tube, Oil Level Sensor, Pan Gasket, Deflector, And Oil Filter.
Description: 6.6L gas. Savana 2500. Express 2500. Tahoe. Suburban. Incl.Drain Plug,Drain Plug Gasket and Engine Oil Pump Pickup Tube. 6.2L. Express 3500. Savana 3500.
MSRP $447.50 CAD
$284.13 CAD
MSRP $447.50 CAD
$284.13 CAD
36
12666993 - Engine: Oil Pan Gasket for GM Image
Engine Oil Pan Gasket
12666993
GM GM
MSRP $6.51 CAD
$4.11 CAD
MSRP $6.51 CAD
$4.11 CAD
37
12744612 - Engine: Oil Pump for GM Image
Pump
12744612
GM GM
Description: Savana 2500. Suburban. Express 2500. Camaro. Tahoe. Express 3500. Savana 3500.
MSRP $283.93 CAD
$180.27 CAD
MSRP $283.93 CAD
$180.27 CAD
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.