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1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982 GMC S15 Catalytic Converter

1982 - 1990 GMC S15 Catalytic Converter (Walker Exhaust) NEW

$ 168 .09

Product Notes

Emission Family Code (EFC) # 03L4F with Federal/California Emissions System Exhaust Gasket is Recommended Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Direct Fit Type
EPA
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Standard® direct-fit catalytic converters are available for pre-OBD (1995 and older) vehicles.
Brand: Walker Exhaust
Condition: New
See Other GMC S15 Catalytic Converters
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
Body Height 4.250
Body Length 10.000
Body Material Stainless Steel
Body Shape Standard Oval
Body Width 6.125
California Air Resources Board (CARB) Certified No
Grade Type Standard Replacement
Inlet Inside Diameter 2.250
Inlet Quantity 1
Mounting Hardware Included No
Outlet Outside Diameter 2.625
Outlet Quantity 1

Vehicle Fitment Guide

This part fits the following vehicles:

GMC 1 model (tapclick to expand)(tapclick to hide)
S15 1982-1990 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Cab & Chassis 1988 V6 4.3L RWD/4WD Automatic & Manual
Base Cab & Chassis 1985 - 1988 L4 2.5L RWD/4WD Automatic & Manual
Base Cab & Chassis 1984 - 1985 L4 2.2L DIESEL RWD/4WD Automatic & Manual
Base Cab & Chassis 1983 - 1985 L4 1.9L 4WD Automatic & Manual
Base Cab & Chassis 1983 - 1984 L4 2.0L RWD/4WD Automatic & Manual
Base Cab & Chassis 1983 - 1988 V6 2.8L 4WD Automatic & Manual
Base Cab & Chassis 1982 - 1985 L4 1.9L RWD Automatic & Manual
Base Cab & Chassis 1982 - 1988 V6 2.8L RWD Automatic & Manual
Base Extended Cab Pickup 1988 - 1990 V6 4.3L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1985 - 1990 L4 2.5L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1984 - 1985 L4 2.2L DIESEL RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1983 - 1985 L4 1.9L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1983 - 1984 L4 2.0L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1983 - 1990 V6 2.8L RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1988 - 1990 V6 4.3L RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1985 - 1990 L4 2.5L RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1984 - 1985 L4 2.2L DIESEL RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1983 - 1985 L4 1.9L 4WD Automatic & Manual
Base Standard Cab Pickup 1983 - 1984 L4 2.0L RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1983 - 1990 V6 2.8L 4WD Automatic & Manual
Base Standard Cab Pickup 1982 - 1985 L4 1.9L RWD Automatic & Manual
Base Standard Cab Pickup 1982 - 1990 V6 2.8L RWD Automatic & Manual
EL Standard Cab Pickup 1987 L4 2.5L RWD/4WD Automatic & Manual
EL Standard Cab Pickup 1987 V6 2.8L RWD/4WD Automatic & Manual
Gypsy Cab & Chassis 1983 L4 1.9L RWD/4WD Automatic & Manual
Gypsy Cab & Chassis 1983 L4 2.0L RWD/4WD Automatic & Manual
Gypsy Cab & Chassis 1983 V6 2.8L RWD/4WD Automatic & Manual
Gypsy Extended Cab Pickup 1988 V6 4.3L RWD/4WD Automatic & Manual
Gypsy Extended Cab Pickup 1986 - 1988 L4 2.5L RWD/4WD Automatic & Manual
Gypsy Extended Cab Pickup 1983 L4 1.9L RWD/4WD Automatic & Manual
Gypsy Extended Cab Pickup 1983 L4 2.0L RWD/4WD Automatic & Manual
Gypsy Extended Cab Pickup 1983, 1986 - 1988 V6 2.8L RWD/4WD Automatic & Manual
Gypsy Standard Cab Pickup 1988 V6 4.3L RWD/4WD Automatic & Manual
Gypsy Standard Cab Pickup 1986 - 1988 L4 2.5L RWD/4WD Automatic & Manual
Gypsy Standard Cab Pickup 1983 L4 1.9L RWD/4WD Automatic & Manual
Gypsy Standard Cab Pickup 1983 L4 2.0L RWD/4WD Automatic & Manual
Gypsy Standard Cab Pickup 1983, 1986 - 1988 V6 2.8L RWD/4WD Automatic & Manual
High Sierra Extended Cab Pickup 1988 - 1990 V6 4.3L RWD/4WD Automatic & Manual
High Sierra Extended Cab Pickup 1985 - 1990 L4 2.5L RWD/4WD Automatic & Manual
High Sierra Extended Cab Pickup 1984 - 1985 L4 2.2L DIESEL RWD/4WD Automatic & Manual
High Sierra Extended Cab Pickup 1983 - 1985 L4 1.9L RWD/4WD Automatic & Manual
High Sierra Extended Cab Pickup 1983 - 1984 L4 2.0L RWD/4WD Automatic & Manual
High Sierra Extended Cab Pickup 1983 - 1990 V6 2.8L RWD/4WD Automatic & Manual
High Sierra Standard Cab Pickup 1988 - 1990 V6 4.3L RWD/4WD Automatic & Manual
High Sierra Standard Cab Pickup 1985 - 1990 L4 2.5L RWD/4WD Automatic & Manual
High Sierra Standard Cab Pickup 1984 - 1985 L4 2.2L DIESEL RWD/4WD Automatic & Manual
High Sierra Standard Cab Pickup 1983 - 1985 L4 1.9L 4WD Automatic & Manual
High Sierra Standard Cab Pickup 1983 - 1984 L4 2.0L RWD/4WD Automatic & Manual
High Sierra Standard Cab Pickup 1983 - 1990 V6 2.8L 4WD Automatic & Manual
High Sierra Standard Cab Pickup 1982 - 1985 L4 1.9L RWD Automatic & Manual
High Sierra Standard Cab Pickup 1982 - 1990 V6 2.8L RWD Automatic & Manual
Sierra Classic Extended Cab Pickup 1988 - 1990 V6 4.3L RWD/4WD Automatic & Manual
Sierra Classic Extended Cab Pickup 1985 - 1990 L4 2.5L RWD/4WD Automatic & Manual
Sierra Classic Extended Cab Pickup 1984 - 1985 L4 2.2L DIESEL RWD/4WD Automatic & Manual
Sierra Classic Extended Cab Pickup 1983 - 1985 L4 1.9L RWD/4WD Automatic & Manual
Sierra Classic Extended Cab Pickup 1983 - 1984 L4 2.0L RWD/4WD Automatic & Manual
Sierra Classic Extended Cab Pickup 1983 - 1990 V6 2.8L RWD/4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1988 - 1990 V6 4.3L RWD/4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1985 - 1990 L4 2.5L RWD/4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1984 - 1985 L4 2.2L DIESEL RWD/4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1983 - 1985 L4 1.9L 4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1983 - 1984 L4 2.0L RWD/4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1983 - 1990 V6 2.8L 4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1982 - 1985 L4 1.9L RWD Automatic & Manual
Sierra Classic Standard Cab Pickup 1982 - 1990 V6 2.8L RWD Automatic & Manual
Sierra Grande Standard Cab Pickup 1982 L4 1.9L RWD Automatic & Manual
Sierra Grande Standard Cab Pickup 1982 V6 2.8L 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.
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Standard® direct-fit catalytic converters are available for pre-OBD (1995 and older) vehicles.

Interchange Parts

Brand Part Number
AP Exhaust 642304
AP Exhaust 642352
AP Exhaust 645314
BRExhaust 079-5009
Catco 4019
Catco 4111
Catco 9178
Eastern Catalytic 50005
Eastern Catalytic 50016
Eastern Catalytic 50017
Eastern Catalytic 50019
Eastern Catalytic 50020
Eastern Catalytic 50022
Eastern Catalytic 50108
Eastern Catalytic 50109
Eastern Catalytic 50110
Eastern Catalytic 50167
Eastern Catalytic 50178
MagnaFlow Exhaust Products 23419
OEM 25056412
OEM 25056471
OEM 25056487
OEM 25056639
OEM 8999175
OEM 8999365
OEM 8999917
OEM 8999918
OEM 8999919
OEM PFP5128
OEM PFP6128

Fits Years: 1982 1983 1984 1985 1986 1987 1988 1989 1990

Fits Models: S15

Go-Parts Garage · Featured Guide

GMC S15 Catalytic Converter Guide (1982-1990): Replacement & Aftermarket Options

Keep your classic 1982-1990 GMC S15 running clean and strong with the right replacement catalytic converter.

Read Full Guide →
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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

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