2003 CHEVROLET BLAZER Engines & Components

King SI-Series Rod Bearings CR6625SI0.75

Rod Bearings, SI-Series, Silicon Aluminum. 0.75mm. Crankshaft Undersize, Chevy, GMC, Pontiac, 4.3L, Set of 6

Part Number: KGB-CR6625SI075

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

King SI-Series Rod Bearings CR6683SI0.75

Rod Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Chevy, GMC, Oldsmobile, Pontiac, Set of 6

Part Number: KGB-CR6683SI075

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

Perma-Cool Sandwich Oil Adapters 182

Perma-Cool Sandwich Oil Adapters 182

Adapter, Oil Filter, Sandwich, Aluminum, Natural, 3/8 in. Inlet/Outlet, Each

Part Number: PRM-182

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hastings Premium Ductile Ring Sets 2M4862030

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4862030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Sealed Power Main Bearing Sets 5085M 1

Main Bearings, 0.001 in. Crankshaft Undersize, Tri Metal, Full Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085M1

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

K&N Select Oil Filters SO-1001

Oil Filter, Select, Canister, Black, M18 x 1.5 Thread, 3.11 in. Tall, 2.98 in. Diameter, Anti-Drainback, Each

Part Number: KNN-SO-1001

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King SI-Series Main Bearings MB 445SI 020

Main Bearings, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

Fram Tough Guard Oil Filters TG3980

Oil Filter, Canister, Tough Guard, AM General, GM, Isuzu, Each

Part Number: FRM-TG3980

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King SI-Series Main Bearings MB4530SI

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Chevy, Sold as a Set of 4

Part Number: KGB-MB4530SI

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today

Dorman Oil Pan Drain Plugs 090-156.1

Oil Drain Plug Pilot Point W Inset Gasket M12-1.75, Head Size 13Mm

Part Number: RNB-090-156-1

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Enginetech Piston Ring Sets C10216-020

Engine Piston Ring Set 96-14 CHV/GMC/IZU/OLD 4.3L

Part Number: EGN-C10216020

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M4862020

Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 4.020 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4862020

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Pioneer Balancers DA-1736

Harmonic Balancer, Internal Balance, 6.140 in. O.D., Nodular Iron, Black, Chevy, GMC, Oldsmobile, 4.3L, Each

Part Number: PIO-DA-1736

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

ATP Graywerks Harmonic Balancers 102156

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Sealed Power A-Series Rod Bearings 6-1020A .50MM

Rod Bearings, 0.50mm Crankshaft Undersize, Bi Metal, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, V6, 4.3L, Set of 6

Part Number: SLP-61020A50MM

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

ATP Graywerks Harmonic Balancers 102156

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy, GMC, Isuzu, Oldsmobile, V6, Each

Part Number: ATP-102156

Not Yet Reviewed

Estimated Ship Date: Today

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Sealed Power CP-Series Rod Bearings 6-1020CP .25MM

Rod Bearings, 0.25mm Crankshaft Undersize, Tri Metal, Chevy, V6, 4.3L, Set of 6

Part Number: SLP-61020CP25MM

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Sealed Power MA Series Main Bearings 5085MA 20

Main Bearings, 0.020 in. Crankshaft Undersize, Bi Metal, 3/4 Groove, Chevy, V6, 3.3L, 3.8L, 4.3L, Set of 4

Part Number: SLP-5085MA20

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Continental Accu-Drive Tensioners 49203

Belt Tensioner, Accu-Drive, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Pickup, SUV, Van, Each

Part Number: CEL-49203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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Dayco No Slack Idler Pulleys 89052

3 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Melling Timing Chain Sets 3-8MMSRH72S

CHAIN-TIMING SET (3)

Part Number: MEL-3-8MMSRH72S

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Enginetech Oil Pumps EPK113HV

Engine Oil Pump 67-14 BUI/CAD/CHV/GM/GMC/IZU/OLD/PON 4.3L/4.4L/4.6L/4.9L/5.0L/5.7L

Part Number: EGN-EPK113HV

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Melling Oil Pump Rebuild Kits K-55

KIT-O/P REPAIR

Part Number: MEL-K-55

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Melling Replacement Timing Chains 8MMSRH72

CHAIN-TIMING IMPORT

Part Number: MEL-8MMSRH72

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Enginetech Rod Bearings BB623J020

Engine Connecting Rod Bearing 85-14 CHV/GM/GMC/IZU/OLD/PON 4.3L

Part Number: EGN-BB623J020

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

INA Accessory Drive Belts FB6K950

Belt Various Makes 88-17

Part Number: IFE-FB6K950

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today

King SI-Series Main Bearings MB 445SI 030

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, GM V6, Set of 5

Part Number: KGB-MB445SI030

Not Yet Reviewed

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today