1979 Buick Riviera Spark Plug
Navigate our online catalogue to find original replacement Spark Plugs specifically designed to fit a 1979 Buick Riviera.






Spark Plug
$9.33
$6.07
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Germany
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset
Original Center Electrode Material is Platinum Do Not Gap, Gap is Preset



Spark Plug
$7.64
$7.34
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap



Spark Plug
$18.03
$14.61
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology



Spark Plug
$4.51
$4.28
In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.044 O.E. Recommended Resistor Plug with Patented U-Groove Design



Spark Plug
$15.80
$13.20
In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
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)
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)







Spark Plug
$8.80
$6.75
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040in Part # UR4GP
Gap 0.040in Part # UR4GP







Spark Plug
$8.80
$6.75
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040in Stock# 2869
Gap 0.040in Stock# 2869







Spark Plug
$4.64
$4.37
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
Gap 0.060in Part # XR45 OE Equivalent Design
Gap 0.060in Part # XR45 OE Equivalent Design







Spark Plug
$4.64
$4.37
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
Gap 0.060in Stock# 4536 OE Equivalent Design
Gap 0.060in Stock# 4536 OE Equivalent Design







Spark Plug
$4.64
$4.37
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040in Part # UR4 OE Equivalent Design
Gap 0.040in Part # UR4 OE Equivalent Design







Spark Plug
$4.64
$4.37
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040in Stock# 6630 OE Equivalent Design
Gap 0.040in Stock# 6630 OE Equivalent Design







Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040in Part # UR4IX
Gap 0.040in Part # UR4IX







Spark Plug
$15.98
$13.81
10+ In Stock
Condition: New
Ships: Today, Oct. 6th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Required Per Vehicle: 6
Made in Japan
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Gap 0.040in Stock# 7401
Gap 0.040in Stock# 7401

Spark Plug
$3.45
In Stock
Condition: New
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Required Per Vehicle: 6
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
OE Style Replaces 664 and 665 .060 Gap
OE Style Replaces 664 and 665 .060 Gap

Spark Plug
$3.45
In Stock
Condition: New
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
OE Style .060 Gap
OE Style .060 Gap



Spark Plug
$4.51
$3.10
Out of Stock
Condition: New
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
Gap 0.027 O.E. Recommended Resistor Plug with Patented U-Groove Design
Gap 0.027 O.E. Recommended Resistor Plug with Patented U-Groove Design

Spark Plug
$5.63
Out of Stock
Condition: New
Required Per Vehicle: 6
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Replaces AP664 .060 Gap
Replaces AP664 .060 Gap

Spark Plug
$5.00
Out of Stock
Condition: New
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
Obsolete .060 Gap
Obsolete .060 Gap

Spark Plug
$10.20
Out of Stock
Condition: New
Required Per Vehicle: 6
Vehicle fitment:
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Engine Base: 3.8L 3800cc 231ci V6 (3.80x3.40; 96.5x86.4);
Vehicle Fitment Notes:
Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .060 Gap
Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .060 Gap


Spark Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Engine Base: 5.7L 350ci V8 (4.06x3.39; 103.0x86.0);
Vehicle Fitment Notes:
Obsolete OE Style .060 Gap
Obsolete OE Style .060 Gap