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Choose your Engine for your 2003 Chevrolet Trailblazer


Showing 1 - 10 of 106 products
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FelPro
  • Thermostat Gasket
  • Type: Thermostat Gasket Use: Thermostat Housing Thermostat O-ring
  • FEL-PRO 35632 Thermostat Gasket
  • Fel-Pro® gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

This Part Fits the Following OEM/Substitute Numbers:
11306-1, 12561155, 72141, WO8610

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Chevrolet Trailblazer L - 6 Cyl 4.2L 256

Motorad
  • Engine Oil Filler Cap
  • Product Attributes:
    • Meets or Exceeds Original Equipment Manufacture Specifications: Yes
    • Vented: No
    • Neck Diameter: 1.38 In
    • Shell Diameter: 2.32 In
  • Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

This Part Fits the Following OEM/Substitute Numbers:
10099, 10099ST, 10108694, 10182355, 11099, 12551298, 12551958, 12554955, 12555685, 12573337, 12573338, 12573340, 12573341, 12573342, 12577268, 12583570, 12589430, 12591355...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Chevrolet Trailblazer L - 6 Cyl 4.2L 256

Fram
  • FRAM, PH3506, Oil Filter
  • Spin-on Oil Filter Alternate filter for PH3675
  • Extra Guard
  • Product Attributes:
    • Gasket Inside Diameter: 4.010
    • Non Slip Grip: Yes
    • Gasket Thickness: 0.480
    • Micron Rating: 8.000
    • Torque Nut: No
    • Burst Pressure: 310.000
    • Gasket Material: Base
    • Housing Color: Orange
    • Inside Thread Diameter: 13/16-16
    • Marine Approved: No
    • Outside Diameter: 3.984
    • Gasket Outside Diameter: 4.664
    • Bypass Relief Valve: No
    • Filter Media Material: Cellulose/synthetic Blend
    • Anti-Drain Back Valve: Yes
  • FRAM Extra Guard® Oil Filters with SureGrip® deliver advanced engine protection for everyday drivers who perform routine oil changes at OE recommended intervals. Extra Guard is engineered for extended performance that meets all manufacturers’ recommended change intervals. No matter what you drive, or what motor oil you use, FRAM® has a filter for you.

This Part Fits the Following OEM/Substitute Numbers:
12187, 1931018, ABP/N10G-LF3000, LF438, LF515, LFP2258

Additional Fitment Information:
Vehicle
2003 - Chevrolet Trailblazer

King Engine Bearings
  • CONNECTING ROD BEARING SET For CHEVROLET SBC 307CI 350CI & GEN III/IV
  • CONNECTING ROD BEARING SET For CHEVROLET SBC 307CI 350CI & GEN III/IV; alecular (racing line)
  • Optional to CR 807SI (Race bearings, Bimetal [Alecular])
  • Product Attributes:
    • Undersize: 010

Additional Fitment Information:
Vehicle
2003 - Chevrolet Trailblazer

Gates
  • W/Aux. Heater
  • Molded Heater Hose
  • Product Attributes:
    • Branch Quantity: 0
    • Molded: Yes
    • Centerline Length:
      • 180
      • 7.1
    • End 1 Inside Diameter:
      • .58
      • 15
    • End 2 Inside Diameter:
      • .58
      • 15
    • Quick Connect Fitting Quantity: 0

This Part Fits the Following OEM/Substitute Numbers:
10453, 1405516E05, 14314S, 15138450, 15832905, 18453, 1L2Z 18472 BD, 1L2Z 18472 NA, 1L2Z 18472 PA, 22646764, 807615182, 89023416, 89025001, KH-72, KH-73, KH101

Additional Fitment Information:
Vehicle Block CC Position Fuel Type Engine CID
2003 - Chevrolet Trailblazer L - Tee To Engine GAS 6 Cyl 4.2L 256

Gates
  • W/Aux. Heater; Cut to Length, 3"
  • Straight Heater Hose (Standard)
  • Product Attributes:
    • Molded: No
    • Working Pressure: 50
    • Weight Per Length: 13.20 Lbs./carton
    • Centerline Length:
      • 15.24
      • 15240
      • 50
      • 600
    • End 1 Inside Diameter:
      • .75
      • 19
    • End 2 Inside Diameter:
      • .75
      • 19
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

This Part Fits the Following OEM/Substitute Numbers:
10229491, 12322343, 12368236, 12804554, 15043166, 15043168, 15079924, 15246436, 15282248, 15293037, 15755541, 15758384, 15782202, 1787185Z00, 1787285Z00, 19129880, 19129909, 19129949...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Position Fuel Type Engine CID
2003 - Chevrolet Trailblazer L - Pipe-4 To Engine GAS 6 Cyl 4.2L 256

Proform
  • Engine Valve Cover Holdown Clamps; Chrome with Red Bowtie Logo; SB Chevy; 4 Pcs
  • Chrome with Red Bowtie Logo; SB Chevy
  • Engine Valve Cover Holdown Clamps; Chrome Plated Finish With Red Bowtie Logo; Fits 1955-1986 262-400 Small Block Chevy V8 and V6 Engines; Made From High-Quality Steel; Officially Licensed GM Performance Product; Sold As One Set of 4 Pieces
  • Product Attributes:
    • Emblem: Chevy Bowtie Emblem
    • Category: Hold-down Clamps
    • Feature/Benefit: Premium Street Performance Chrome Hold-down Clamps With Distinctive Look And Boldly Striking Bowtie Emblems, Inlaid With Classic Chevrolet Red.
    • Applications: Chevy Small Block 262 To 400 Engines 1959 To 1986; Chevy V6 Engines; Chevy Big Block 396 To 454 Engines 1965 To 1996
    • Part Type: Valve Cover Holdown Clamps
    • Emblem Style: Recessed Red & Black Emblem
  • Premium Street Performance Chrome hold-down clamps with distinctive look and boldly striking Bowtie Emblems, inlaid with classic Chevrolet red. By spreading the load over a wider area, this clamp minimizes distortion of the valve cover flanges, thereby decreasing the possibility of oil leakage. Fits Chevrolet small-block V8 and V6/90 engines through 1986. 4 per package.

Additional Fitment Information:
Vehicle
2003 - Chevrolet Trailblazer

Clevite
  • Engine Connecting Rod Bearing Pair
  • OE Replacement A Series (Aluminum) Standard
  • Carrying on a tradition of durability and dependability, Clevite Bi-Metal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seizure and wear resistance.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.

This Part Fits the Following OEM/Substitute Numbers:
CR6860SI

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Chevrolet Trailblazer L - 6 Cyl 4.2L 256

Clevite
  • Engine Connecting Rod Bearing Pair
  • OE Replacement A Series (Aluminum) Standard
  • Carrying on a tradition of durability and dependability, Clevite Bi-Metal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seizure and wear resistance.
  • Suggested Purchase Quantity: 6
    • Most jobs typically require 6 of this item.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Chevrolet Trailblazer L - 6 Cyl 4.2L 256

Prestone
  • Prestone Amam Gen 2 50/50 6/1 GAL
  • Extended Life 50/50, Ready to Use Prediluted
  • Product Attributes:
    • California Proposition 65: Warning: Reproductive Harm - Www.p65warnings.ca.gov
    • Freezing Point: -34
    • Recommended Dilution Ratio: No Dilution Required
    • Phosphate Free: Yes
    • Boiling Point at 50 50 Mixture: 229
  • for corrosion protection for cars and light duty trucks. Top-off a vehicle’s cooling system with Prestone 50/50, which is a blend of concentrated antifreeze/coolant and demineralized water.
  • This item must be purchased in quantities of 6

Additional Fitment Information:
Vehicle
2003 - Chevrolet Trailblazer
Showing 1 - 10 of 106 products

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