Buick Gran Sport Emission Control Parts
![Buick Gran Sport Emission Control](https://ic.carid.com/categories/emission-control-model_cat_0.jpg)
- Walker®Ultra™ Universal Fit Round Body Catalytic Converter (7.5" Length) (15054)Universal Ultra™ Catalytic Converter (15054) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 11.5". This part...$111.92
- iD Select®ECO GM Universal Fit Large Round Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (99835)Universal ECO GM Catalytic Converter (99835) by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$197.39
- iD Select®ECO GM Universal Fit Large Round Body Catalytic Converter (2.5" ID, 2.5" OD, 12" Length) (99836)Universal ECO GM Catalytic Converter (99836) by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5"....$197.39
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2" ID, 2" OD, 12" Length) (832-200)Universal OBDII Catalytic Converter (832-200) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Rear O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2". Catalytic...$156.76
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2" ID, 2" OD, 7" Length) (851-200)Universal OBDII Catalytic Converter (851-200) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2". Catalytic...$115.32
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (831-225)Universal OBDII Catalytic Converter (831-225) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$149.31
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (832-225)Universal OBDII Catalytic Converter (832-225) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Rear O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$156.76
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (833-225)Universal OBDII Catalytic Converter (833-225) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Center O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$153.79
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.25" ID, 2.25" OD, 7" Length) (851-225)Universal OBDII Catalytic Converter (851-225) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$115.32
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.25" ID, 2.25" OD, 9" Length) (841-225)Universal OBDII Catalytic Converter (841-225) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$122.57
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.5" ID, 2.5" OD, 12" Length) (832-250)Universal OBDII Catalytic Converter (832-250) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Rear O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5"....$156.76
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.5" ID, 2.5" OD, 12" Length) (833-250)Universal OBDII Catalytic Converter (833-250) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With Center O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5"....$153.79
- Davico®OBDII Universal Fit Round Body Catalytic Converter (2.5" ID, 2.5" OD, 9" Length) (841-250)Universal OBDII Catalytic Converter (841-250) by Davico®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic...$122.57
- Walker®Ultra™ Universal Fit Large Oval Body Catalytic Converter (13" Length) (93314)Universal Ultra™ Catalytic Converter (93314) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With O2 Sensor Port. Catalytic Converter Overall Length: 18". The Right...$157.97
- Walker®Ultra™ Universal Fit Large Oval Body Catalytic Converter (13" Length) (93313)Universal Ultra™ Catalytic Converter (93313) by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With O2 Sensor Port. Catalytic Converter Overall Length: 18". The Right...$122.73
- AP Exhaust®Enhanced Standard Duty Universal Fit Oval Body Catalytic Converter (1.75" ID, 1.75" OD, 12" Length) (602543)Universal Enhanced Standard Duty Catalytic Converter (602543) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 1.75"....$125.57
- AP Exhaust®Super X Duty Universal Fit Large Oval Body Catalytic Converter (13" Length) (609044)Universal Super X Duty Catalytic Converter (609044) by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With 1 Center O2 Sensor Port. Catalytic Converter Overall Length:...$214.23
- Eastern Catalytic®ECO GM II Universal Fit Large Round Body Catalytic Converter (2" ID, 2" OD, 12" Length) (99734)Universal ECO GM II Catalytic Converter (99734) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 Angled O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet...$242.84
- Eastern Catalytic®ECO GM II Universal Fit Large Round Body Catalytic Converter (2.5" ID, 2.5" OD, 12" Length) (99736)Universal ECO GM II Catalytic Converter (99736) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 Angled O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet...$242.84
- Eastern Catalytic®ECO GM Universal Fit Large Round Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (99835)Universal ECO GM Catalytic Converter (99835) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...$242.21
- Eastern Catalytic®ECO GM Universal Fit Large Round Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (99735)Universal ECO GM Catalytic Converter (99735) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 Angled O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...$242.84
- Eastern Catalytic®ECO GM Universal Fit Large Round Body Catalytic Converter (2.5" ID, 2.5" OD, 12" Length) (99836)Universal ECO GM Catalytic Converter (99836) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter:...$242.21
- Eastern Catalytic®ECO II Universal Fit Large Round Body Catalytic Converter (2" ID, 2" OD, 12" Length) (82834)Universal ECO II Catalytic Converter (82834) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2"....$133.67
- Eastern Catalytic®ECO II Universal Fit Large Round Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (82835)Universal ECO II Catalytic Converter (82835) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...$169.90
- Eastern Catalytic®ECO II Universal Fit Large Round Body Catalytic Converter (2.5" ID, 2.5" OD, 12" Length) (82836)Universal ECO II Catalytic Converter (82836) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter:...$169.90
- Eastern Catalytic®ECO II Universal Fit Oval Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (83755)Universal ECO II Catalytic Converter (83755) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With 2 O2 Sensor Ports. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$187.70
- Eastern Catalytic®ECO II Universal Fit Oval Body Catalytic Converter (2.25" ID, 2.25" OD, 12" Length) (83715)Universal ECO II Catalytic Converter (83715) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter: 2.25"....$138.83
- Eastern Catalytic®ECO II Universal Fit Round Body Catalytic Converter (2" ID, 2" OD, 12" Length) (82624)Universal ECO II Catalytic Converter (82624) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Center O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter:...$169.90
- Eastern Catalytic®ECO III Universal Fit Large Oval Body Catalytic Converter (2" ID, 2" OD, 12" Length) (99814)Universal ECO III Catalytic Converter (99814) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 2 O2 Sensor Ports. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter:...$156.51
- Eastern Catalytic®ECO III Universal Fit Large Oval Body Catalytic Converter (2" ID, 2" OD, 12" Length) (99714)Universal ECO III Catalytic Converter (99714) by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2"....$155.38
Shop By Service Type
The Gran Sport (GS for short) was the nameplate used for a special package of different models by Buick starting in the mid-1960s. The Buick GS Series included such sport-oriented models as the Gran Sport 400, Skylark Gran Sport, Riviera Gran Sport, Century Gran Sport, and some others. All of them were outfitted with the mightiest engines and finest equipment. Even though the production of these high-performance cars was stopped many years ago, they remain popular among many Buick fans and dedicated motorists. But although high power and sportiness are the main priorities taken into account while designing these cars, the emission control system remains rather important not only for eco-friendliness but also for engine condition and performance.
The EGR system and catalytic converters of modern autos are monitored by electronics, so when something goes wrong, the driver will see Check Engine light on the dashboard. The vehicles manufactured in the 1960s and 70s have at least a Positive Crankcase Ventilation (PCV) system, which can get clogged and affect engine operation with no visual signals. Welcome to our online store where you will find a PCV valve, EGR valve, and other Buick Gran Sport emission control parts for maintenance or repair.
Featured Brands
Popular Products
- $10.34 - $30.99
-