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MagnaFlow CARB Direct-Fit Catalytic Converter 3391432 for the 1978-1994 GMC G3500 / G35 }
MagnaFlow 3391432 carb direct-fit catalytic converter, rear view of the turntable spin }
MagnaFlow 3391432 carb direct-fit catalytic converter, opposite side view of the turntable spin }
MagnaFlow 3391432 carb direct-fit catalytic converter, front three-quarter view of the turntable spin }
MagnaFlow 3391432 carb direct-fit catalytic converter, opposite front three-quarter view of the turntable spin }
MagnaFlow 3391432 carb direct-fit catalytic converter, rear three-quarter view of the turntable spin }
MagnaFlow 3391432 carb direct-fit catalytic converter, side view of the turntable spin }
MagnaFlow 3391432 carb direct-fit catalytic converter, opposite rear three-quarter view of the turntable spin }
Vendor: Magnaflow
SKU: MAG3391432
Regular price
$1,158.00
Regular price
$1,158.00
Sale price
$1,158.00
Check your purchasing power Apply at checkout
Subtotal: $1,158.00
MagnaFlow CARB Direct-Fit Converter 1978-1994 GMC G3500 / G35
Subtotal: $1,158.00

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Overview

This California-legal replacement cat suits the 1978-1994 GMC G3500 / G35. MagnaFlow 3391432 is covered by EO D-193-164 and installs at the factory mounting points. Listed applications: 1979-1994 GMC G3500 (Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura and more), 1978 GMC G35 (Magnavan, Rally, Rally Camper Special, Rally STX, Vandura and more), 1975-1986 Chevrolet K10 Suburban (Silverado, Custom Deluxe, Deluxe, Scottsdale, Custom) and 1975-1986 Chevrolet K20 (Cheyenne, Custom, Custom Deluxe, Deluxe, Scottsdale and more), plus 40 more models in the table below. Shipping weight is about 7 lb.

Features

  • CARB EO D-193-164 for engine families listed on the order
  • Fits 1979-1994 GMC G3500: Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special
  • Fits 1978 GMC G35: Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special
  • Fits 1975-1986 Chevrolet K10 Suburban: Silverado, Custom Deluxe, Deluxe, Scottsdale, Custom
  • 41 further models listed in the fitment table

What is in the box

  • Gaskets and mounting hardware for installation

Specs

Part number 3391432
Type CARB Direct-Fit Catalytic Converter
Emissions California Grade, CARB EO D-193-164
Material 16-gauge 409 stainless steel
Shipping weight 7 lb

Construction

  • California Grade converter covered by CARB Executive Order D-193-164
  • Bolts in where the original sat, with no cutting or welding
  • Body and pipes in 16-gauge 409 stainless steel
  • Spun body closed with a single laser-fusion weld to resist leaks
  • Mandrel-bent inlet and outlet pipes keep factory flow
  • OE-sized 410 stainless hangers
  • 308 stainless MIG welds
  • Shape developed from 3D scans of the original part

Installation

Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended.

Fitment notes

Legal in all 50 states when the vehicle's engine family appears on this converter's Executive Order. Confirm your engine family before ordering. Check the fitment table below against your vehicle, including trim and engine.

Fitment

Make Model Chassis Year Engine
GMC G3500 (Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special, Magnavan) — 1979-1994 —
GMC G35 (Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special) — 1978 —
Chevrolet K10 Suburban (Silverado, Custom Deluxe, Deluxe, Scottsdale, Custom) — 1975-1986 —
Chevrolet K20 (Cheyenne, Custom, Custom Deluxe, Deluxe, Scottsdale, Silverado) — 1975-1986 —
Chevrolet K20 Suburban (Silverado, Custom Deluxe, Deluxe, Scottsdale, Custom) — 1975-1986 —
Chevrolet K5 Blazer (Base, Cheyenne, Silverado, Custom, Custom Deluxe, Deluxe, Scottsdale) — 1975-1986 —
GMC C15 Suburban (Sierra Classic, Sierra Grande, Base, High Sierra) — 1975-1978 —
GMC C1500 (Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe) — 1979-1986 —
GMC C25 (Sierra Classic, Sierra Grande, Base, High Sierra) — 1975-1978 —
GMC C2500 (Base, High Sierra, Sierra Classic, Sierra Grande) — 1979-1986 —
GMC C2500 Suburban (Base, High Sierra, Sierra Classic, Sierra Grande) — 1979-1986 —
GMC K15 (Sierra Grande, Base, High Sierra, Indy Hauler, Sierra Classic) — 1975-1978 —
GMC K15 Suburban (Base, High Sierra, Sierra Classic, Sierra Grande) — 1975-1978 —
GMC K1500 (Base, High Sierra, Sierra Classic, Sierra Grande) — 1979-1986 —
GMC K25 (Base, High Sierra, Sierra Classic, Sierra Grande) — 1975-1978 —
GMC K2500 (Base, High Sierra, Sierra Classic, Sierra Grande) — 1979-1986 —
Chevrolet C10 Suburban (Custom Deluxe, Deluxe, Scottsdale, Silverado, Custom) — 1975-1986 —
Chevrolet C20 (Cheyenne, Custom, Custom Deluxe, Deluxe, Scottsdale, Silverado) — 1975-1986 —
Chevrolet C10 (Cheyenne, Custom, Custom Deluxe, Deluxe, Scottsdale, Silverado, Big Ten) — 1975-1986 —
Chevrolet K10 (Cheyenne, Custom, Custom Deluxe, Deluxe, Scottsdale, Silverado) — 1975-1986 —
GMC Jimmy (High Sierra, Sierra Classic, Sierra Grande, Street Coupe, Base) — 1975-1987 —
Chevrolet C20 Suburban (Custom, Custom Deluxe, Deluxe, Scottsdale, Silverado) — 1975-1986 —
GMC C15 (Heavy Half, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande, Street Coupe, Base) — 1975-1978 —
Chevrolet G20 (Nomad, Sportvan, Beauville, Bonaventure, Chevy Van) — 1975-1994 —
Chevrolet G30 (Beauville, Bonaventure, Chevy Van, Hi-Cube, Sportvan) — 1978-1994 —
GMC K2500 Suburban (Base, High Sierra, Sierra Classic, Sierra Grande) — 1979-1981 —
GMC R1500 (Base, High Sierra, Sierra Classic) — 1987 —
GMC C1500 Suburban (Base, High Sierra, Sierra Classic, Sierra Grande) — 1979-1986 —
GMC G15 (Rally, Rally STX, Vandura) — 1976-1978 —
GMC G1500 (Rally, Rally Custom, Rally STX, Vandura) — 1979-1994 —
GMC K1500 Suburban (Base, High Sierra, Sierra Classic, Sierra Grande) — 1979-1986 —
GMC G2500 (Rally STX, Vandura, Rally, Rally Custom) — 1979-1994 —
Chevrolet R10 (Custom Deluxe, Scottsdale, Silverado) — 1987 —
Chevrolet R10 Suburban (Custom Deluxe, Scottsdale, Silverado) — 1987 —
Chevrolet G10 (Bonaventure, Chevy Van, Sportvan, Base, Beauville) — 1975-1994 —
GMC G25 (Rally, Rally STX, Vandura) — 1975-1978 —
Chevrolet Astro (Base, CL, CS, LT) — 1985-1991 —
Chevrolet Blazer (Custom Deluxe, Silverado) — 1987 —
GMC Safari (SLE, SLT, SLX, Base, SL) — 1985-1991 —
GMC V1500 (Base, High Sierra, Sierra Classic) — 1987 —
Chevrolet R20 (Custom Deluxe, Scottsdale, Silverado) — 1987 —
Chevrolet V10 (Custom Deluxe, Scottsdale, Silverado) — 1987 —
GMC R1500 Suburban (Base, High Sierra, Sierra Classic) — 1987 —
GMC R2500 (Base, High Sierra, Sierra Classic) — 1987 —
Fitment
YearMakeModel
Submodel: Base CL CS
Model: Blazer R10 R10 Suburban R20 V10
Model: C10 C10 Suburban C20 C20 Suburban K10 K10 Suburban K20 K20 Suburban
Submodel: Beauville Chevy Van Sportvan
Submodel: Beauville Chevy Van Sportvan
Submodel: Custom Deluxe Scottsdale Silverado
Submodel: Custom Deluxe Scottsdale Silverado
Submodel: Custom Deluxe Scottsdale Silverado
Submodel: Custom Deluxe Scottsdale Silverado
Model: C15 C15 Suburban C25 G25 K15 K15 Suburban K25
Submodel: Base High Sierra Sierra Classic Sierra Grande
Submodel: Base High Sierra Sierra Classic Sierra Grande
Model: C1500 C1500 Suburban C2500 C2500 Suburban K1500 K1500 Suburban K2500
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic Sierra Grande
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic
Submodel: Rally Rally STX Vandura
Model: G1500 G2500 G3500
Submodel: Rally Rally STX Vandura
Submodel: Rally Rally STX Vandura
Submodel: Rally Rally STX Vandura
Submodel: Magnavan Rally Rally Camper Special Rally STX Vandura Vandura Special
Submodel: Magnavan Rally Rally Camper Special Rally STX
Submodel: Base High Sierra Sierra Classic Sierra Grande
Submodel: Base High Sierra Sierra Classic Sierra Grande
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic Sierra Grande
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic Sierra Grande
Model: R1500 R1500 Suburban R2500 V1500
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic
Submodel: Base High Sierra Sierra Classic

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

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