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1973 GMC K15/K1500 Suburban Spark Plug

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AC Delco Spark Plug
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Sale Price: $3.73
(>35) In Stock
Part Number: 15421-09006515
Notes: Professional Conventional -- Gap .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: H
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X 2BBL 
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X 2BBL 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y 4BBL 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y 4BBL 
• 1973 GMC K15/K1500 Suburban 7.4L V8 VIN: L 4BBL 
• 1973 GMC K15/K1500 Suburban 7.4L V8 VIN: Z 4BBL 

AC Delco Spark Plug
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Sale Price: $3.73
(>35) In Stock
Part Number: 15421-09006515
Notes: Professional Conventional -- Gap: .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: H
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 

AC Delco Spark Plug
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(Read reviews)
Sale Price: $8.08
(>35) In Stock
Part Number: 15421-05006401
Notes: Professional Double Platinum -- Gap .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 7.4L V8 

AC Delco Spark Plug
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(Read reviews)
Sale Price: $6.08
(>35) In Stock
Part Number: 15421-05005918
Notes: Professional Rapidfire -- Gap .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 7.4L V8 

AC Delco Spark Plug
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(Read reviews)
Sale Price: $6.08
(>35) In Stock
Part Number: 15421-05005355
Notes: Professional Rapidfire -- Gap .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 

Bosch Spark Plug
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Sale Price: $3.08
(2) In Stock
Part Number: 15421-05244458
Notes: SUPER
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y 

Bosch Spark Plug
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(Read reviews)
Sale Price: $4.08
(24) In Stock
Part Number: 15421-05527950
Notes: Super Plus -- Gap 0.035 in
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl GAS 

Bosch Spark Plug
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Sale Price: $4.08
(>35) In Stock
Part Number: 15421-05338028
Notes: Super Plus -- Gap 0.035 in
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y 

Champion Spark Plug
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Sale Price: $3.08
(>35) In Stock
Part Number: 15421-05027434
Notes: Copper Plus -- Plug Type RV12C; Gap .036; OE Type
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 7.4L V8 

Champion Spark Plug
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Sale Price: $3.08
(>35) In Stock
Part Number: 15421-05027450
Notes: Copper Plus -- Plug Type RV19YC; Gap .036; OE Type
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 

Champion Spark Plug
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Sale Price: $4.08
(>35) In Stock
Part Number: 15421-05027460
Notes: Platinum Power -- Plug Type RV17PMC4; Gap .036
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 7.4L V8 

Denso Spark Plug
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Sale Price: $7.08
(>35) In Stock
Part Number: 15421-05051880
Notes: Double Platinum -- Gap 0.044; Long # P16R; Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap
Features:
  • Denso Part# P16R
  • Platinum-tipped Ground Electrode and Platinum-tipped Center Electrode
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X CARB Naturally Aspirated GAS 

Denso Spark Plug
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Sale Price: $8.08
(>35) In Stock
Part Number: 15421-05169633
Notes: Iridium Power -- Gap 0.044; Long # ITF16; 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)
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl VIN: Q CARB Naturally Aspirated GAS 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y CARB Naturally Aspirated GAS 

Denso Spark Plug
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Denso 5305
Spark Plug
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Sale Price: $8.08
(>35) In Stock
Part Number: 15421-05169624
Notes: Iridium Power -- Gap 0.044; Long # IW16; 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)
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X CARB Naturally Aspirated GAS 

Denso Spark Plug
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(Read reviews)
Sale Price: $8.08
(>35) In Stock
Part Number: 15421-05445068
Notes: Iridium TT -- Gap 0.040; Long # ITF16TT; Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl VIN: Q CARB Naturally Aspirated GAS 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y CARB Naturally Aspirated GAS 

Denso Spark Plug
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(Read reviews)
Sale Price: $8.08
(>35) In Stock
Part Number: 15421-05445061
Notes: Iridium TT -- Gap 0.040; Long # IW16TT; Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X CARB Naturally Aspirated GAS 

Denso Spark Plug
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(Read reviews)
Sale Price: $4.08
(>35) In Stock
Part Number: 15421-05169543
Notes: Platinum TT -- Gap 0.040; Long # PTF16TT; Platinum TT Plug - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl VIN: Q CARB Naturally Aspirated GAS 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y CARB Naturally Aspirated GAS 

Denso Spark Plug
Click to Enlarge
(Read reviews)
Sale Price: $4.08
(>35) In Stock
Part Number: 15421-05169535
Notes: Platinum TT -- Gap 0.040; Long # PW16TT; Platinum TT Plug - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X CARB Naturally Aspirated GAS 

Denso Spark Plug
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Sale Price: $3.08
(>35) In Stock
Part Number: 15421-05051891
Notes: STD -- Gap 0.032; Long # W16EXR-U; O.E. Recommended Resistor Plug with Patented U-Groove Design
Features:
  • Denso Part# W16EXR-U
  • Denso Traditional Nickel Spark Plug
  • U-Groove Ground Electrode
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X CARB Naturally Aspirated GAS 

Denso Spark Plug
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(Read reviews)
Sale Price: $3.08
(>35) In Stock
Part Number: 15421-05052090
Notes: STD -- Gap 0.035; Long # T16R-U; O.E. Recommended Resistor Plug with Patented U-Groove Design
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl VIN: Q CARB Naturally Aspirated GAS 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y CARB Naturally Aspirated GAS 

E3 Spark Plugs Spark Plug
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Sale Price: $7.08
(>35) In Stock
Part Number: 15421-05343288
Notes: Spark Plug
Features:
  • More Horsepower
  • Improved Fuel Efficiency
  • Reduced Engine Emissions
  • Longer Engine Life
  • Better Conductive Heat Transfer
  • Easier starts in all weather conditions
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 7.4L V8 

NGK Spark Plug
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Sale Price: $9.73
(16) In Stock
Part Number: 15421-09083497
Notes: Iridium IX Spark Plug -- .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: H
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 

NGK Spark Plug
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Sale Price: $3.08
(>35) In Stock
Part Number: 15421-05174478
Notes: V-Power Spark Plug -- .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 

MSD Spark Plug - Iridium Tip Spark Plug - 4 Pack - Plug Type 6IR5 - [Available While Supplies Last];0.035 in. Plug Gap

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Sale Price: $35.96
(7) In Stock
Part Number: 15421-03287567
Notes: Iridium Tip Spark Plug; 4 Pack; Plug Type 6IR5; [Available While Supplies Last];0.035 in. Plug Gap
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 

NGK Spark Plug

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Sale Price: $4.98
(>15) In Stock
Part Number: 15421-03344102
Notes: G-Power Spark Plug -- .035
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.0L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 

Bosch Spark Plug
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Sale Price: $3.08

Out of Stock
Part Number: 15421-05120676
Notes: PLATINUM
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl VIN: Q 
• 1973 GMC K15/K1500 Suburban 5.0L V8 VIN: X 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y 

Bosch Spark Plug
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(Read reviews)
Sale Price: $5.08

Out of Stock
Part Number: 15421-05527771
Notes: Platinum Plus -- Gap 0.035 in
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 5.7L V8 
• 1973 GMC K15/K1500 Suburban 5.7L V8 VIN: Y 

Bosch Spark Plug
Click to Enlarge
(Read reviews)
Sale Price: $3.08

Out of Stock
Part Number: 15421-05527924
Notes: SUPER
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 1973 GMC K15/K1500 Suburban 4.1L 6 Cyl VIN: Q 

5 stars - (1 Reviews)
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