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Dynomax 15556

Direct-Fit Catalytic Converter 1975-91 GM Truck/SUV/Van 4.1/4.3/5.0/5.7/6.6/7.4L

Dynomax 15556

289-15556

made in usa
jegs shipping
FREE Shipping
Ships 03/03/17 if Ordered Today
Dynomax 15556 Direct-Fit Catalytic Converter 1975-91 GM Truck/SUV/Van 4.1/4.3/5.0/5.7/6.6/7.4L $130.99
Direct-Fit Catalytic Converter
  • 1975-91 GM Truck/SUV/Van 4.1/4.3/5.0/5.7/6.6/7.4L
  • Overall Length: 25"

  • Dynomax 15556 Details

    GM

  • Mostly 1/2-ton and 3/4-ton applications
  • Also fits Blazer/Jimmy and Astro/Safari

    Application Revision:
  • GMC C15/C1500 Pickup 1975-79, 83
  • GMC C1500 Pickup 1980, 84-86

  • Specifications:

    Overall Length (in.)
    25
    Inlet Diameter (in.)
    2.5
    AIR Tube
    No
    California Legal
    No
    Converter Overall Thickness (in.)
    4.363
    Converter Overall Width (in.)
    7.3
    Converter Style
    3-way
    Heat Shield
    Yes
    Inlet Attachment
    Slip fit
    Outlet Attachment
    Slip fit
    Quantity
    Sold individually
    Substrate Material
    Monolithic catalyst
    Outlet Quantity
    One
    Case Material
    Stainless steel
    Outlet Diameter (in.)
    2.352
    Inlet Quantity
    One

    Walker Direct-Fit Catalytic Converters offer OE style and fit. They include gaskets when applicable, hangers, flanges, and brackets for a bolt-on installation. Designed for installers and repair shops that require quick turnaround. Click More Info with part numbers below for applications.

    Does Dynomax 15556 fit your vehicle?

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    1986 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1979 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1985-1989 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1986 GMC K1500

    • EngineType: ALL
    • SubModel: BASE

    1985-1989 GMC SAFARI

    • EngineType: ALL
    • SubModel: BASE

    1979 GMC C1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1986 GMC K1500 PICKUP

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1987 GMC R1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1975-1976 CHEVROLET K5 BLAZER

    • EngineType: ALL
    • SubModel: BASE

    1985 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: MAGNAVAN

    1975-1976 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1977 CHEVROLET C10 PICKUP

    • Liter: 6.6
    • SubModel: CHEYENNE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1978 GMC C25 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1986 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM

    1983-1989 GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1987 GMC R1500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1979 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1978 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1987 CHEVROLET R10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1983-1986 GMC K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1986 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1977 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1978 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: MAGNAVAN

    1985 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: BASE

    1984 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: H
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 CHEVROLET C20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CUSTOM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1986 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1983 GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: RALLY CUSTOM

    1979-1980 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1986 CHEVROLET G10 VAN

    • Liter: 4.3
    • SubModel: BEAUVILLE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1978 GMC C25/C2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1985 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1986 CHEVROLET G10 VAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BEAUVILLE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1982 GMC C2500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1983 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1983-1984 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: CUSTOM

    1984 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1982 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: BASE

    1979 CHEVROLET BLAZER K5

    • EngineType: ALL
    • SubModel: BASE

    1979 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1986 CHEVROLET C20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1985-1989 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1978-1982 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: RALLY

    1986 GMC G35/G3500 VAN

    • Liter: 5.7
    • SubModel: MAGNAVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET V10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1985 CHEVROLET G10 VAN

    • Liter: 4.3
    • SubModel: CHEVY VAN
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1985 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1979-1980 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1978 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1985 CHEVROLET C20 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1979 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1977 CHEVROLET C10 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CHEYENNE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1984 CHEVROLET C10 SUBURBAN

    • Liter: 6.2
    • SubModel: CUSTOM
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1987-1989 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: MAGNAVAN

    1987 CHEVROLET R10 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1987-1989 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1979 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1986 GMC C1500 PICKUP

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1978 GMC C15 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1977 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1984 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1985 CHEVROLET K20 PICKUP

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    • SubModel: BASE

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    • SubModel: BEAUVILLE

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    • SubModel: BASE

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    • EngineType: ALL
    • SubModel: BASE

    1985 CHEVROLET G30 VAN

    • Liter: 6.2
    • SubModel: BEAUVILLE
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1978-1982 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1977-1978 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: HEAVY HALF

    1979-1986 GMC C2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1986 GMC K1500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 CHEVROLET G30 VAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BEAUVILLE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1978 CHEVROLET C10 SUBURBAN

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1989 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: VANDURA

    1979-1980 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BASE

    1976-1977 CHEVROLET C10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1979-1982 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1983 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1983 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BASE

    1979-1982 CHEVROLET C20 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1986 GMC C1500 PICKUP

    • Liter: 6.2
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1986 GMC K1500 PICKUP

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1985-1989 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1986 GMC K1500 PICKUP

    • Liter: 6.2
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: C
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1979 GMC K1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1983-1986 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1979 GMC C1500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1983-1986 GMC C1500 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1986-1989 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1978-1979 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE

    1987 CHEVROLET BLAZER

    • EngineType: ALL
    • SubModel: CUSTOM DELUXE

    1985 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: BEAUVILLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BASE

    1985-1989 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1983-1984 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1977 CHEVROLET C10 PICKUP

    • Liter: 4.8
    • SubModel: CHEYENNE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1978 CHEVROLET C20 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1984 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 CHEVROLET K20 SUBURBAN

    • EngineType: ALL
    • SubModel: BASE
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