Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

2003 Isuzu Ascender Engine & Engine Management

What year is your
Free Same Day Shipping

2003 Isuzu Ascender Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    NGK G-Power Platinum Spark Plug Set of 8 (3186)

    Replaces 2003 Isuzu Ascender V8 5.3L 8 Piece G-Power Spark Plug Set NGK NGETK00033

    14 reviews
    Brand: NGK - NGETK00033

    • Spark Plug Type: Platinum
    • Quantity: 8 Piece
    • Product Line: G-Power
    • Kit Includes: (8) Spark Plugs
    $59.95
    Save 22%
    List $76.95 Save $17.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available
    Picture coming soon

    Replaces 2003 Isuzu Ascender L6 4.2L Gap 0.044 (in) Spark Plug ACDelco 41-834

    Brand: ACDelco - 41-834
    $15.95
    Save 57%
    List $36.95 Save $21.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available

    VIDEO

    Picture coming soon

    Replaces 2003 Isuzu Ascender L6 4.2L Gap 0.043 (in) Spark Plug ACDelco 17

    Brand: ACDelco - 17
    $13.95
    Save 58%
    List $32.95 Save $19.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available

    VIDEO

    NGK G-Power Premium Spark Plug (Set of 6) (5019)

    Replaces 2003 Isuzu Ascender L6 4.2L 6 Piece G-Power Spark Plug Set NGK NGETK00057

    8 reviews
    Brand: NGK - NGETK00057

    • Quantity: 6 Piece
    • Product Line: G-Power
    • Kit Includes: (6) Spark Plugs
    $48.95
    Save 31%
    List $70.95 Save $22.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available
    Kit image

    Replaces 2003 Isuzu Ascender V8 5.3L 9 Piece Performance Ignition Kit TRQ Performance TKA05728

    Brand: TRQ Performance - TKA05728

    • Product Line: Performance
    • Kit Includes: (8) Spark Plugs
    • Quantity: 9 Piece
    • Spark Plug Type: Iridium
    • Kit Includes: (1) Performance Spark Plug Wire Set

    Out of Stock

    $ 99.95

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available

    VIDEO

    03-10 Hum; 05-09 9-7X; 98-09 Ptiac; 98-15 Chy, GMC w/4.8L, 5.3L, 5.7L, 6.0L, 6.2L Oil Pan Gskt (GM)

    Replaces 2003 Isuzu Ascender V8 5.3L Oil Pan Gasket General Motors OEM 12612350

    1 reviews
    Brand: General Motors OEM - 12612350

    $70.95
    Save 48%
    List $136.95 Save $66.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available

    VIDEO

    78-12 GM Multifit; 06-10 H3; 09-10 H3T; 03-08 Isuzu; 05-09 Saab; 06-10 Saturn Engine Oil Filter (AC)

    Replaces 2003 Isuzu Ascender L6 4.2L Engine Oil Filter ACDelco PF61F

    Brand: ACDelco - PF61F
    $20.95
    Save 30%
    List $29.95 Save $9.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available

    VIDEO

    Spark Plug Wire Set

    Replaces 2003 Isuzu Ascender V8 5.3L Performance Spark Plug Wire Set TRQ Performance IWA60232

    1 reviews
    Brand: TRQ Performance - IWA60232

    • Product Line: Performance

    Out of Stock

    $ 69.95

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available
    Picture coming soon

    Replaces 2003 Isuzu Ascender V8 5.3L Gap 0.040 (in) Spark Plug ACDelco 6

    Brand: ACDelco - 6
    $14.95
    Save 56%
    List $33.95 Save $19.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

  • Notify When Available

    VIDEO

    Spark Plug Wire Heat Shield (Set of 8)

    Replaces 2003 Isuzu Ascender V8 5.3L Spark Plug Wire Heat Shield 8 Piece Set ACDelco 1AERK00670

    Brand: ACDelco - 1AERK00670

    • Quantity: 8 Piece Set
    • Kit Includes: (8) Spark Plug Wire Heat Shields
    $71.95
    Save 33%
    List $107.95 Save $36.00

    Guaranteed to Fit 2003 Isuzu Ascender

    Guaranteed to Fit 2003 Isuzu Ascender

1

...

5 6 7 8 9

...

13
Close



Isuzu is a registered trademark of Isuzu Motors Ltd. 1A Auto is not affiliated with or sponsored by Isuzu or Isuzu Motors Ltd. See all trademarks.
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.