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1986 - 1989 Chevrolet Astro Spark Plug (Denso) NEW

$ 16 .88

Product Notes

⚠️ Most jobs typically require 4 of this item.
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Spark Plug - Iridium TT
Durability of an OE style plug combined with Power & Torque of high performance.
Brand: Denso
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 Tip Material Iridium
Ground Configuration Twin-tip
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design Platinum Twin-tip
Hex Size 16
Manufacturer Heat Range 16
Pre Gap Size 1.0
Reach 11.6
Resistance 5000.0
Seat Type Tapered
Thread Diameter 14.0

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 1 model (tapclick to expand)(tapclick to hide)
Astro 1986-1989 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Standard Cargo Van 1986 - 1989 L4 2.5L RWD Automatic & Manual
Base Standard Cargo Van 1986 - 1989 V6 4.3L RWD Automatic & Manual
Base Standard Passenger Van 1986 - 1987 L4 2.5L RWD Automatic & Manual
Base Standard Passenger Van 1986 - 1987 V6 4.3L RWD Automatic & Manual
CL Standard Passenger Van 1986 - 1989 V6 4.3L RWD Automatic & Manual
CS Standard Passenger Van 1986 - 1989 V6 4.3L RWD Automatic & Manual
LT Standard Passenger Van 1987 - 1989 V6 4.3L RWD 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.
Durability of an OE style plug combined with Power & Torque of high performance.

Interchange Parts

Brand Part Number
Chrysler 4289 155
DENSO Auto Parts ITF16TT
General Motors 19208523
General Motors 19300383
General Motors 19300873
General Motors 19301654
General Motors 19302742
General Motors 19310656
General Motors 5613302
General Motors 5613794
General Motors 5613842
General Motors 5613867
General Motors 5613877
General Motors 5613935
General Motors 5613956
General Motors 5613957
General Motors 5614229
General Motors 5614243
General Motors 88901021
General Motors 88901022
NAPA Mileage Plus 4715

Fits Years: 1986 1987 1988 1989

Fits Models: Astro

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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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