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2008 - 2010 Hummer H3 Spark Plug (Autolite) NEW

$ 9 .12

Product Notes

⚠️ Most jobs typically require 8 of this item.
Gap .043 (in)
Platinum Spark Plug
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.
Brand: Autolite
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Center Electrode Core Material Copper
Center Electrode Insulator Tip Projection 0.19, 4.83
Center Electrode Projection Long Projection
Center Electrode Tip Material Platinum
Core Nose Length 0.449, 11.4
Electrical Terminal Type Non-removable Nut
Grade Type Performance
Ground Electrode Quantity 1
Ground Electrode Tip Design Standard
Ground Electrode Tip Material Nickel
Hex Size 5/8
Hex Type Hex
Indexed No
Insulator Height 2.026, 51.46
Insulator Material Ceramic
Pre Gap Size 0.04, 1.02
Reach 0.679, 17.25
Resistance 4000
Resistor Type Yes
Seat Type Tapered
Washer Included No

Vehicle Fitment Guide

This part fits the following vehicles:

Hummer 1 model (tapclick to expand)(tapclick to hide)
H3 2008-2010 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Adventure SUV 2008 - 2010 L5 3.7L AWD Automatic
Adventure SUV 2008 - 2009 L5 3.7L 4WD Automatic & Manual
Alpha SUV 2010 V8 5.3L FLEX AWD/4WD Automatic
Alpha SUV 2008 - 2010 V8 5.3L 4WD Automatic
Alpha SUV 2008 - 2009 V8 5.3L AWD Automatic
Base SUV 2008 - 2010 L5 3.7L 4WD Automatic & Manual
Championship Series SUV 2009 V8 5.3L 4WD Automatic
Luxury SUV 2008 - 2010 L5 3.7L AWD Automatic
Luxury SUV 2008 - 2009 L5 3.7L 4WD Automatic & Manual
X SUV 2008 - 2009 L5 3.7L 4WD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
Autolite® Platinum spark plugs are engineered with a platinum center electrode firing tip that provides improved performance and increased durability, making it a reliable choice for all older engine applications and designs. Its platinum design delivers quicker firing, smoother starts, for better acceleration, and improved fuel efficiency.

Interchange Parts

Brand Part Number
ACDelco 41-928
ACDelco R44LTSM
ACDelco R44LTSM6
ACDelco R44LTSMA
Bosch HR8LPX
Bosch HR8LPX+ 
Bosch HR9LPP30X
Champion Spark Plug RS14PMC4
Motorcraft AGSF43C
Motorcraft SP461
NGK TR4GP
NGK TR4VX
Torch 8005

Fits Years: 2008 2009 2010

Fits Models: H3

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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

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