1966 GMC Suburban Parts

Find parts for your 1966 GMC Suburban

7 catalog products with verified vehicle applications in this section. Pricing and availability are shown on each product page.

Check your exact configuration. Year, make and model alone are not enough. Match every engine, transmission, position and other restriction listed for the part. These pages show verified applications, not a complete list of every part your vehicle uses.

Axle Housing Cover Gasket

Differential Bearing

Spark Plug

ACDelco Gold Spark Plug R44XLS

ACDelco Gold Spark Plug R44XLS

Part number: R44XLS

Matching configurations (4)
Engine: 3.8 L6; Gap .035
Catalog quantity per vehicle: 6
Engine: 4.1 L6; Gap .035
Catalog quantity per vehicle: 6
Engine: 5.0 V6; Gap .035, 3/4 Reach
Catalog quantity per vehicle: 6
Engine: 2.5 L4; Gap .035
Catalog quantity per vehicle: 4

View price and availability

Application source: supplier catalog for ACDelco Gold R44XLS.
Denso Spark Plug IW16

Denso Spark Plug IW16

Part number: IW16

Matching configurations (2)
Engine: 3.8 L6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Catalog quantity per vehicle: 6
Engine: 4.1 L6; Gap 0.044, Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Catalog quantity per vehicle: 6

View price and availability

Application source: supplier catalog for Denso IW16.
Denso Spark Plug PW16TT

Denso Spark Plug PW16TT

Part number: PW16TT

Matching configurations (2)
Engine: 3.8 L6; Gap 0.040, Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Catalog quantity per vehicle: 6
Engine: 4.1 L6; Gap 0.040, Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Catalog quantity per vehicle: 6

View price and availability

Application source: supplier catalog for Denso PW16TT.
Denso Spark Plug W16EXR-U#4

Denso Spark Plug W16EXR-U#4

Part number: W16EXR-U#4

Matching configurations (2)
Engine: 4.1 L6; Gap 0.032, O.E. Recommended Resistor Plug with Patented U-Groove Design
Catalog quantity per vehicle: 6
Engine: 3.8 L6; Gap 0.032, O.E. Recommended Resistor Plug with Patented U-Groove Design
Catalog quantity per vehicle: 6

View price and availability

Application source: supplier catalog for Denso W16EXR-U#4.
NGK Spark Plug 2635

NGK Spark Plug 2635

Part number: 2635

Matching configurations (2)
Engine: 3.8 L6; Gap 0.035in
Catalog quantity per vehicle: 6
Engine: 4.1 L6; Gap 0.035in
Catalog quantity per vehicle: 6

View price and availability

Application source: supplier catalog for NGK 2635.

Have a part number?


Not listed does not mean compatible. Confirm the exact part number and vehicle specifications before ordering.