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1999 GMC Sierra 1500

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1999 GMC Sierra 1500 Catalytic Converter Parts

Choose your Engine for your 1999 GMC Sierra 1500

6 Cyl 4.3L 8 Cyl 4.8L 8 Cyl 5.3L

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1999 GMC Sierra 1500 Catalytic Converter - Right 8 Cyl 5.3L Magnaflow

Universal Catalytic Converter - 2.50in.
Cutting and Welding Required During Installation
Universal Catalytic Converter - 2.50in.
Universal HM Grade Federal (Excludes CA)
Product Attributes:
- Inlet Orientation: Straight
- Inlet Diameter: 2.5
- Body Width: 5.5
- Body Type: Clam Shell
- Heat Shield Material: Aluminized Steel
- Body Height: 3.75
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic
- Inlet Attachment: Weld-on
- Outlet Orientation: Straight
- Outlet Attachment: Weld-on
- Sensor Port Count: 0

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	5328	Right	8 Cyl 5.3L	325

3 In Stock

Limited-Time Offer

$356.66 USD

$427.99 USD


Brand	Magnaflow
Part #	M6699006HM
Condition	New
Warehouse	B

UPC: 00841380031587

1999 GMC Sierra 1500 Catalytic Converter - Left 8 Cyl 4.8L Magnaflow

Universal Catalytic Converter - 2.50in.
Cutting and Welding Required During Installation
Universal Catalytic Converter - 2.50in.
Universal HM Grade Federal (Excludes CA)
Product Attributes:
- Inlet Orientation: Straight
- Inlet Diameter: 2.5
- Body Width: 5.5
- Body Type: Clam Shell
- Heat Shield Material: Aluminized Steel
- Body Height: 3.75
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic
- Inlet Attachment: Weld-on
- Outlet Orientation: Straight
- Outlet Attachment: Weld-on
- Sensor Port Count: 0

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	-	Left	8 Cyl 4.8L	294

3 In Stock

Limited-Time Offer

$356.66 USD

$427.99 USD


Brand	Magnaflow
Part #	M6699006HM
Condition	New
Warehouse	B

UPC: 00841380031587

1999 GMC Sierra 1500 Catalytic Converter - Right 8 Cyl 5.3L Magnaflow

Universal Catalytic Converter - 2.50in.
Cutting and Welding Required During Installation
Universal Catalytic Converter - 2.50in.
Universal OEM GRADE Federal (Excludes California)
Product Attributes:
- Inlet Orientation: Straight
- Inlet Diameter: 2.5
- Body Width: 5.625
- Body Type: Clam Shell
- Heat Shield Material: Aluminized Steel
- Body Height: 3.75
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic
- Inlet Attachment: Weld-on
- Outlet Orientation: Straight
- Outlet Attachment: Weld-on
- Sensor Port Count: 0

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	5328	Right	8 Cyl 5.3L	325

5 In Stock

Limited-Time Offer

$371.70 USD

$446.04 USD


Brand	Magnaflow
Part #	M6651006
Condition	New
Warehouse	B

UPC: 00841380068972

1999 GMC Sierra 1500 Catalytic Converter 8 Cyl 4.8L Magnaflow

Direct-Fit Catalytic Converter
Direct-Fit Catalytic Converter
Direct-Fit HM Grade Federal (Excludes CA)
Product Attributes:
- Inlet Attachment: Bolt-on
- Main Piping Diameter: 2.5
- Outlet Attachment: Bolt-on
- Sensor Port Count: 4
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic

This Part Fits the Following OEM/Substitute Numbers:

10395212, 15052911, 15076459, 15079086, 15127418, 15127419, 15246489, 15756278, 15756279, 15782486, 15976459, 25824121

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1999 - GMC Sierra 1500	V	-	8 Cyl 4.8L	294

9 In Stock

Limited-Time Offer

$1,083.66 USD

$1,300.39 USD


Brand	Magnaflow
Part #	M6693419
Condition	New
Warehouse	B

UPC: 00841380017536

1999 GMC Sierra 1500 Catalytic Converter - Right 8 Cyl 4.8L MagnaFlow Performance Exhaust

California Universal Catalytic Converter - 2.50in.
CARB Executive Order D-193-100 Engine Family Number (EFN) XGMXA05.3183 Engine Family Number (EFN) XGMXA04.8184 Cutting and Welding Required
Magnaflow California Universal Catalytic Converter - 2.50in.
2.50in. Universal California Compliant OBDII Catalytic Converter
Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 6.375
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Inlet Type: Weld-on
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-100
- Overall Length: 16
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Oval
- Outlet Inside Diameter: 2.5
- Sensor Port Count: 0
- Outlet Type: Weld-on
Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- Compact, lightweight construction enables installation in confined areas, welding is required
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Durable 308 stainless steel MIG welds
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445006 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	-	Right	8 Cyl 4.8L	294


Brand	MagnaFlow Performance Exhaust
Part #	445006
Condition	New
Warehouse	C

UPC: 841380077158

1999 GMC Sierra 1500 Catalytic Converter - Left 6 Cyl 4.3L MagnaFlow Performance Exhaust

California Universal Catalytic Converter - 2.50in.
CARB Executive Order D-193-100 Engine Family Number (EFN) XGMXA04.3194 Engine Family Number (EFN) XGMXA04.3195 Cutting and Welding Required
Magnaflow California Universal Catalytic Converter - 2.50in.
2.50in. Universal California Compliant OBDII Catalytic Converter
Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 6.375
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Inlet Type: Weld-on
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-100
- Overall Length: 16
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Oval
- Outlet Inside Diameter: 2.5
- Sensor Port Count: 0
- Outlet Type: Weld-on
Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- Compact, lightweight construction enables installation in confined areas, welding is required
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Durable 308 stainless steel MIG welds
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445006 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	-	Left	6 Cyl 4.3L	262


Brand	MagnaFlow Performance Exhaust
Part #	445006
Condition	New
Warehouse	C

UPC: 841380077158

1999 GMC Sierra 1500 Catalytic Converter - Left 8 Cyl 5.3L MagnaFlow Performance Exhaust

California Universal Catalytic Converter - 2.50in.
CARB Executive Order D-193-100 Engine Family Number (EFN) XGMXA05.3183 Engine Family Number (EFN) XGMXA05.3185 Cutting and Welding Required
Magnaflow California Universal Catalytic Converter - 2.50in.
2.50in. Universal California Compliant OBDII Catalytic Converter
Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 6.375
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Inlet Type: Weld-on
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-100
- Overall Length: 16
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Oval
- Outlet Inside Diameter: 2.5
- Sensor Port Count: 0
- Outlet Type: Weld-on
Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- Compact, lightweight construction enables installation in confined areas, welding is required
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Durable 308 stainless steel MIG welds
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445006 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	5328	Left	8 Cyl 5.3L	325


Brand	MagnaFlow Performance Exhaust
Part #	445006
Condition	New
Warehouse	C

UPC: 841380077158

1999 GMC Sierra 1500 Catalytic Converter - Left 8 Cyl 4.8L MagnaFlow Performance Exhaust

California Universal Catalytic Converter - 2.50in.
CARB Executive Order D-193-100 Engine Family Number (EFN) XGMXA05.3183 Engine Family Number (EFN) XGMXA04.8184 Cutting and Welding Required
Magnaflow California Universal Catalytic Converter - 2.50in.
2.50in. Universal California Compliant OBDII Catalytic Converter
Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 6.375
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Inlet Type: Weld-on
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-100
- Overall Length: 16
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Oval
- Outlet Inside Diameter: 2.5
- Sensor Port Count: 0
- Outlet Type: Weld-on
Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- Compact, lightweight construction enables installation in confined areas, welding is required
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Durable 308 stainless steel MIG welds
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445006 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	-	Left	8 Cyl 4.8L	294


Brand	MagnaFlow Performance Exhaust
Part #	445006
Condition	New
Warehouse	C

UPC: 841380077158

1999 GMC Sierra 1500 Catalytic Converter - Right 8 Cyl 5.3L MagnaFlow Performance Exhaust

California Universal Catalytic Converter - 2.50in.
CARB Executive Order D-193-100 Engine Family Number (EFN) XGMXA05.3183 Engine Family Number (EFN) XGMXA05.3185 Cutting and Welding Required
Magnaflow California Universal Catalytic Converter - 2.50in.
2.50in. Universal California Compliant OBDII Catalytic Converter
Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 6.375
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Inlet Type: Weld-on
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-100
- Overall Length: 16
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Oval
- Outlet Inside Diameter: 2.5
- Sensor Port Count: 0
- Outlet Type: Weld-on
Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- Compact, lightweight construction enables installation in confined areas, welding is required
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Durable 308 stainless steel MIG welds
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445006 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1999 - GMC Sierra 1500	V	5328	Right	8 Cyl 5.3L	325


Brand	MagnaFlow Performance Exhaust
Part #	445006
Condition	New
Warehouse	C

UPC: 841380077158

1999 GMC Sierra 1500 Catalytic Converter - Right 6 Cyl 4.3L MagnaFlow Performance Exhaust

California Universal Catalytic Converter - 2.50in.
CARB Executive Order D-193-100 Engine Family Number (EFN) XGMXA04.3194 Engine Family Number (EFN) XGMXA04.3195 Cutting and Welding Required
Magnaflow California Universal Catalytic Converter - 2.50in.
2.50in. Universal California Compliant OBDII Catalytic Converter
Product Attributes:
- Inlet Orientation: Straight
- Air Tube Count: 0
- Tube Material: Stainless Steel
- Outlet Gasket Included: No
- Outlet Mounting Hardware Included: No
- Body Width: 6.375
- Body Height: 3.75
- Inlet Mounting Hardware Included: No
- Body Material: Stainless Steel
- Clamps Included: No
- Outlet Quantity: 1
- Inlet Type: Weld-on
- Air Tube Adaptable: No
- California Air Resources Board (CARB) Certified: Yes
- Inlet Gasket Included: No
- Heat Shield Attached: Yes
- Hangers Included: No
- CARB Executive Order Number: D-193-100
- Overall Length: 16
- Body Type: Clam-shell
- Heat Shield Material: Aluminized Steel
- Inlet Inside Diameter: 2.5
- Substrate Material: Ceramic
- Outlet Orientation: Straight
- Inlet Quantity: 1
- Body Shape: Oval
- Outlet Inside Diameter: 2.5
- Sensor Port Count: 0
- Outlet Type: Weld-on
Features:
- Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
- Compact, lightweight construction enables installation in confined areas, welding is required
- Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
- High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
- Durable 308 stainless steel MIG welds
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 445006 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.