My Account About Us Help Desk
Go-Parts
Account About Us Help Desk
Cart 0
Your cart is empty
Add an item to see it appear here.
2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986 Buick Century Spark Plug
View 1
View 2
View 3
View 4
View 5

1986 - 2005 Buick Century Spark Plug (Champion) NEW

$ 14 .36

Product Notes

⚠️ Most jobs typically require 8 of this item.
Gap 0.060in; Plug Type RS14WYPB5
Champion Iridium
Champion® Iridium - the ultimate element. This spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.
Brand: Champion
Condition: New
See Other Buick Century Spark Plugs
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
Wrenchy the Robot

Meet Wrenchy - The Amazing Parts Assistant!

Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.

Specifications & Info


Attribute Value
Center Electrode Tip Material Iridium
Classification Champion Iridium
Electrical Terminal Type Non-removable Nut
Ground Electrode Core Material Platinum
Ground Electrode Tip Design J Gap
Hex Size 0.625, 15.880
Insulator Height 0.06
Manufacturer Heat Range 14
Plug Type Rs14wypb5
Pre Gap Size 0.055, 1.40
Reach 0.689
Seat Type Tapered

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 1 model (tapclick to expand)(tapclick to hide)
Century 1986-2005 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1987 - 1988 V6 2.8L FWD Automatic
Base Sedan 1989 - 1992, 1994 - 1996 V6 3.1L FWD Automatic
Base Sedan 1986 - 1988 V6 2.8L FWD Automatic
Custom Coupe 1993 L4 2.2L FWD Automatic
Custom Coupe 1989 - 1993 V6 3.3L FWD Automatic
Custom Coupe 1986 - 1992 L4 2.5L FWD Automatic
Custom Coupe 1986 - 1988 L4 2.5L FWD Manual
Custom Coupe 1986 - 1989 V6 2.8L FWD Automatic
Custom Coupe 1986 - 1988 V6 2.8L FWD Manual
Custom Coupe 1986 - 1988 V6 3.8L FWD Automatic & Manual
Custom Sedan 1994 - 2005 V6 3.1L FWD Automatic
Custom Sedan 1993 - 1995 L4 2.2L FWD Automatic
Custom Sedan 1989 - 1993 V6 3.3L FWD Automatic
Custom Sedan 1986 - 1992 L4 2.5L FWD Automatic
Custom Sedan 1986 - 1988 L4 2.5L FWD Manual
Custom Sedan 1986 - 1989 V6 2.8L FWD Automatic
Custom Sedan 1986 - 1988 V6 2.8L FWD Manual
Custom Sedan 1986 - 1988 V6 3.8L FWD Automatic & Manual
Custom Wagon 1994 V6 3.1L FWD Automatic
Custom Wagon 1993 - 1994 L4 2.2L FWD Automatic
Custom Wagon 1989 - 1993 V6 3.3L FWD Automatic
Custom Wagon 1986 - 1992 L4 2.5L FWD Automatic
Custom Wagon 1986 - 1988 L4 2.5L FWD Manual
Custom Wagon 1986 - 1989 V6 2.8L FWD Automatic
Custom Wagon 1986 - 1988 V6 2.8L FWD Manual
Custom Wagon 1986 - 1988 V6 3.8L FWD Automatic & Manual
Estate Wagon Wagon 1989 V6 3.3L FWD Automatic
Estate Wagon Wagon 1986 - 1989 L4 2.5L FWD Automatic
Estate Wagon Wagon 1986 - 1988 L4 2.5L FWD Manual
Estate Wagon Wagon 1986 - 1988 V6 2.8L FWD Automatic & Manual
Estate Wagon Wagon 1986 - 1988 V6 3.8L FWD Automatic & Manual
Limited Coupe 1989 V6 3.3L FWD Automatic
Limited Coupe 1986 - 1989 L4 2.5L FWD Automatic
Limited Coupe 1986 - 1988 L4 2.5L FWD Manual
Limited Coupe 1986 - 1989 V6 2.8L FWD Automatic
Limited Coupe 1986 - 1988 V6 2.8L FWD Manual
Limited Coupe 1986 - 1988 V6 3.8L FWD Automatic & Manual
Limited Sedan 1993, 1996 L4 2.2L FWD Automatic
Limited Sedan 1993, 1996 - 2002, 2004 - 2005 V6 3.1L FWD Automatic
Limited Sedan 1989 - 1993 V6 3.3L FWD Automatic
Limited Sedan 1986 - 1992 L4 2.5L FWD Automatic
Limited Sedan 1986 - 1988 L4 2.5L FWD Manual
Limited Sedan 1986 - 1989 V6 2.8L FWD Automatic
Limited Sedan 1986 - 1988 V6 2.8L FWD Manual
Limited Sedan 1986 - 1988 V6 3.8L FWD Automatic & Manual
Limited Wagon 1996 V6 3.1L FWD Automatic
Limited Wagon 1993, 1996 L4 2.2L FWD Automatic
Limited Wagon 1990 - 1992 L4 2.5L FWD Automatic
Limited Wagon 1990 - 1993 V6 3.3L FWD Automatic
SS Coupe 1986 V6 2.8L FWD Automatic
Special Sedan 1994 - 1996 V6 3.1L FWD Automatic
Special Sedan 1993 - 1996 L4 2.2L FWD Automatic
Special Sedan 1991 - 1992 L4 2.5L FWD Automatic
Special Sedan 1991 - 1993 V6 3.3L FWD Automatic
Special Wagon 1994 - 1996 V6 3.1L FWD Automatic
Special Wagon 1993 - 1996 L4 2.2L FWD Automatic
Special Wagon 1993 V6 3.3L FWD Automatic
Special Edition Sedan 2005 V6 3.1L FWD Automatic
T-Type Coupe 1986 V6 3.8L FWD Automatic & Manual
T-Type Sedan 1986 V6 3.8L FWD 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.
Champion® Iridium - the ultimate element. This spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

Interchange Parts

Brand Part Number
ACDelco 41-101
Bosch 4504
Bosch HGR9DQI
Champion Spark Plug RS14WYPB5
General Motors 12568387
NGK ITR4A15

Fits Years: 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005

Fits Models: Century

Go-Parts Garage · Featured Guide

Spark Plug Replacement Guide for the 1986-1997 Buick Century

Keep your Century's engine running smoothly with the right new aftermarket spark plugs.

Read Full Guide →

⚠️ Related Trouble Codes (OBD-II)

9 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Why Millions Choose Go-Parts

Your Go-To Place
for auto parts.

In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.

100%
Money-Back Guarantee

Shop With Total Confidence

If it doesn't fit, we make it right. No gimmicks, no fine print.

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.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

Racing partner video
Racing partner video
Racing partner video
Racing partner video
×

Search by Vehicle

1
2
3
Added to cart · Part