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GMC Sierra Engine Block Parts
Engine block parts for the GMC Sierra span model years 1999 through 2026, covering everything from connecting rod bearing sets and crankshaft main bearings to pistons, piston rings, intake manifolds, and oil pumps. Select your year above and we'll show only the engine block parts that fit your GMC Sierra. Fitment is checked against our vehicle data for every part listed.
1 - 30 of 92 results
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FAST 146105B Lsxrt 102mm High Hp Rectangle Port Intake Manifold For Ls3/l92
Part: 146105B
Vehicle Specific
$1,349.95
In Stock (5)
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In Stock (10+)
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Representative Photo, actual item may vary
FAST 146000B LSXR 102mm Intake Manifold Replacement Upper Shell Black
Part: 146000B
Vehicle Specific
$402.95
4 left at this price
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FAST 54039B LSX 92mm Cathedral Port Intake Manifold Black LS1 LS2 LS6
Part: 54039B
Vehicle Specific
$1,245.95
In Stock (10+)
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In Stock (10+)
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In Stock (10+)
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FAST 146302B LSXR 102mm Cathedral Port Intake Manifold Black LS1 LS2 LS6
Part: 146302B
Vehicle Specific
$1,259.95
In Stock (10+)
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In Stock (10+)
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In Stock (7)
3 left at this price
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King Engine Bearings CR807XPN XP-Series Connecting Rod Bearing Set, Standard
Part: CR807XPN
Vehicle Specific
$83.57
In Stock (10+)
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In Stock (10+)
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MAHLE 42154CP.020 Premium Piston Ring Set 0.020" Oversize for GM 6.2L LS V8
Part: 42154CP.020
Vehicle Specific
$112.60
2 left at this price
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King Engine Bearings CR807HPN High Performance Connecting Rod Bearing Set GM LS
Part: CR807HPN
Vehicle Specific
$75.97
In Stock (10+)
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King Engine Bearings CR807XPNDSTDX XP Series Connecting Rod Bearing Set for Chevrolet LS
Part: CR807XPNDSTDX
Vehicle Specific
$89.06
4 left at this price
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King Engine Bearings CR 807HPND 001 Connecting Rod Bearing Set
Part: CR 807HPND 001
Vehicle Specific
$99.12
2 left at this price
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King Engine Bearings CR807HPN010 HP-Series Connecting Rod Bearing Set Undersize - 010
Part: CR807HPN010
Vehicle Specific
$75.97
In Stock (10+)
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In Stock (10+)
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King Engine Bearings CR 807XPN 020 Connecting Rod Bearing Set 0.020 Oversize
Part: CR 807XPN 020
Vehicle Specific
$90.32
In Stock (10+)
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King Engine Bearings CR 807XPN 030 Connecting Rod Bearing Set SBC 307 350 Gen III/IV .030 Undersize
Part: CR 807XPN 030
Vehicle Specific
$90.32
In Stock (7)
King Engine Bearings MB5293SI020 Main Bearing Set for GM LS Vortec Gen III/IV
Part: MB5293SI020
Vehicle Specific
$42.93
In Stock (9)
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King Engine Bearings CR807XPNSTDX XP-Series Connecting Rod Bearing Set SBC 307 350 Gen III/IV
Part: CR807XPNSTDX
Vehicle Specific
$83.57
In Stock (10+)
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King Engine Bearings CR 807HPN010X HP-Series Rod Bearings LS Gen III/IV
Part: CR 807HPN010X
Vehicle Specific
$88.63
In Stock (7)
What's here for your GMC Sierra
- Engine connecting rod bearing sets
- Engine crankshaft main bearing sets
- Engine pistons — including OE-replacement and performance options
- Engine intake manifolds — single and dual configurations, polished and black finishes
- Engine piston rings and piston ring sets
- Engine oil drain plugs
- Engine oil pumps
The widest selection here comes from King Engine Bearings, Dorman, Manley, and Speedmaster, offering a range that includes everything from direct-fit replacement components to performance-oriented kits and gasket sets. Other categories GMC Sierra owners shop for: GMC Sierra Exterior Lights, GMC Sierra Valve Train Parts and GMC Sierra Springs and Suspension Parts, or browse all GMC Sierra parts and accessories.