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Bosch®
6703 Platinum Series Spark Plug, Sold individually

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$3.99
$7.99Save: $4.00(50%)
Manufacturer #6703
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Brand:
Notes:
1.25 mm Thread Pitch; 16 mm Hex Size; Gasket Seat Type; Removable Nut Terminal Type; 0.6 mm Center Electrode Size; Fine Wire Type; Projected; (1) Standard; Taper-Cut Shape; With Resistor
Series:
Platinum Series
Electrode Tip Material:
Nickel alloy Electrode Tip
Quantity Sold:
Sold individually
Warranty:
1-year Bosch limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions:
European Vehicle Parts
Electrode Core Material:
Platinum Electrode Core
Gap Size:
1.5 mm
Heat Range:
9
Reach:
17.5 mm Reach
Thread Size:
14 mm

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1985 Buick Somerset Regal
Base
6 Cyl 3.0L
Do Not Gap, Gap is Preset
1985 Buick Somerset Regal
Limited
6 Cyl 3.0L
Do Not Gap, Gap is Preset
1985 Oldsmobile Calais
500
6 Cyl 3.0L
Do Not Gap, Gap is Preset
1985-1987 Oldsmobile Calais
Base
6 Cyl 3.0L
Do Not Gap, Gap is Preset
1985-1987 Oldsmobile Calais
Supreme
6 Cyl 3.0L
Do Not Gap, Gap is Preset
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Product Information

BOSCH PLATINUM SPARK PLUG

Get a longer, more powerful spark with Bosch’s Platinum spark plug. Featuring yttrium-enhanced ground electrodes, this spark plug delivers 2x longer service life compared to standard copper spark plugs. Since 1886, Bosch has developed innovative products—including spark plugs, starters, brakes and steering system parts—for the automotive aftermarket.

  • Yttrium-enhanced ground electrode provides longer lifespan
  • Features fine wire platinum firing pin for improved ignitibility
  • OE-level fitment and quality for superior functionality
  • Quick and simple to install
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Customer Reviews

Platinum Series Spark Plug, Sold Individually
This parts are awsome and easy to choose after you signup with your car make and model.
Parts are of very good quality and arrived in a very good condition in a fair timing.
Jose V.
VERIFIED PURCHASER
Purchased on Feb 27, 2024
Platinum Series Spark Plug, Sold Individually
Make sure to give the right eng. Trans. Make and model
Auto parts can and usually seem to have great difficulty getting the right ones the first time. Car parts is set up to get all the important details about your car so no surprises when your parts arrive. Make sure to give all your cars details are made clear to avoid any mix ups
Matthew C.
VERIFIED PURCHASER
Purchased on Mar 13, 2023