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Chevrolet Trailblazer Engine Block Parts
Engine block parts for the Chevrolet Trailblazer cover model years 2002–2026, making this a popular pick among Chevrolet Trailblazer owners. The range includes pistons, piston rings, connecting rod bearings, crankshaft main bearings, cylinder head bolt sets and valve covers — both OE replacement and performance-oriented options. Pick your Chevrolet Trailblazer's year above to narrow the list to engine block parts with confirmed fitment. Every part shown is checked against our vehicle data.
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Wiseco 6443RX125 Chevy LS Forged Shelf Stock Piston -23cc Reverse Dome 4.125 in. Bore
Part: 6443RX125
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6446LX125 Chevy LS Series Forged Shelf Stock Piston -18cc R/Dome 4.125 in. Bore
Part: 6446LX125
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6397RX125 Shelf Stock Piston Chevy LS Series Dish Bore - 32cc 4.000
Part: 6397RX125
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6462RX185 Forged Piston Chevy LS Series 4.185in Bore -2.8cc Dome Shelf Stock
Part: 6462RX185
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6455RX155 Chevy LS -22cc R/Dome Forged Piston 4.155 in. Bore Shelf Stock
Part: 6455RX155
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6455RX125 Chevy LS -22cc R/Dome Shelf Stock Forged Piston 4.125 in. Bore
Part: 6455RX125
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6462RX155 Professional Series Chevy LS Forged Piston 4.155 in. Bore -2.8cc Dome
Part: 6462RX155
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6397LX125 Chevy LS Series -32cc Dish Piston 4.125" Bore
Part: 6397LX125
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6443LX125 Chevy LS Series -23cc R/Dome 4.125 in. Bore Forged Piston – Shelf Stock
Part: 6443LX125
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6446LX155 Chevy LS Series -18cc R/Dome Forged Piston 4.155 in. Bore Shelf Stock
Part: 6446LX155
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6393LX125 Forged Piston Chevy LS Series 4.000 Bore -25cc Dish
Part: 6393LX125
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6393LX100 Chevy LS -25cc Dish Forged Piston 4.000 in. Bore Shelf Stock
Part: 6393LX100
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6393RX100 Chevy LS Series -25cc Dish Shelf Stock Piston
Part: 6393RX100
Vehicle Specific
$168.99
Ships from manufacturer
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Wiseco 6395RX125 Professional Series Chevy LS Forged Piston with Rings 4.125 in. Bore
Part: 6395RX125
Vehicle Specific
$145.99
1 left at this price
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Wiseco 6395LX185 Professional Series Forged Piston 4.185 in. Bore Chevy LS - Individual Left
Part: 6395LX185
Vehicle Specific
$145.99
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Wiseco 6395LX125 Professional Series Chevy LS Forged Piston -8cc Flat Top 4.125 in. Bore
Part: 6395LX125
Vehicle Specific
$145.99
Ships from manufacturer
3 left at this price
Wiseco Pistons 4158GFX GF-Style Piston Ring Set 105.61mm (4.158in)
Part: 4158GFX
Vehicle Specific
$39.99
In Stock (10+)
Wiseco 4132GFX GF-Style Piston Ring Set 4.132 in. Bore 1.2/1.2/3.0mm Single Cylinder
Part: 4132GFX
Vehicle Specific
$39.99
Ships from manufacturer
Wiseco 4102GFX GF-Style Piston Ring Set 4.100 in. Bore Gas Nitrided File-Fit
Part: 4102GFX
Vehicle Specific
$39.99
Ships from manufacturer
Wiseco 4168GFX GFX Piston Ring Set 4.168 in. Bore 1.2/1.2/3.0mm Single Cylinder
Part: 4168GFX
Vehicle Specific
$39.99
Ships from manufacturer
Representative Photo, actual item may vary
Wiseco 4075HF High-Performance Plasma Moly Piston Ring Set 4.075 in. Bore
Part: 4075HF
Vehicle Specific
$26.99
Ships from manufacturer
Ships from manufacturer
Ships from manufacturer
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In Stock (10+)
Manley 592570C-8 Forged Piston Set 4.070" Bore 2618 Alloy Flat Top
Part: 592570C-8
Vehicle Specific
$889.40
3 left at this price
1 left at this price
Manley 592630C-8 Forged Pistons 4.030" Bore 2618 Alloy Flat Top 11.9:1 CR
Part: 592630C-8
Vehicle Specific
$889.40
4 left at this price
1 left at this price
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MAHLE 224-3448WR.010 Engine Piston Set with Rings Over - 010
Part: 224-3448WR.010
Vehicle Specific
$422.46
Ships from manufacturer
What's here for your Chevrolet Trailblazer
- Engine Pistons — single and kit options, including performance and OE replacement styles
- Engine Piston Rings and Piston Ring Sets — available in standard and performance configurations
- Engine Piston Sets — matched sets for complete rebuilds
- Engine Connecting Rod Bearing Sets — precision-fit replacements for the crank assembly
- Engine Crankshaft Main Bearing Sets — covering front and main journal positions
- Engine Valve Covers — offered in black, chrome, and polished finishes
- Engine Cylinder Head Bolt Sets — OE-style fastener kits for reassembly
The widest selection here comes from MAHLE, King Engine Bearings, Wiseco Pistons, and Dorman, spanning everything from gasket-inclusive rebuild kits to individual replacement components. Other categories Chevrolet Trailblazer owners shop for: Chevrolet Trailblazer Springs and Suspension Parts, Chevrolet Trailblazer Shocks and Struts and Chevrolet Trailblazer Doors and Door Parts, or browse all Chevrolet Trailblazer parts and accessories.