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Bosch 003-159-10-03 Spark Plug - WR-9-DC

Manufacturer

Picture for manufacturer Bosch

Part Number

003-159-10-03
13 reviews
Sale Price

$3.94

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Bosch 003-159-10-03 WR-9-DC is a high-quality resistor spark plug designed for Mercedes-Benz and BMW vehicles. This Super Plus spark plug features advanced engineering to deliver reliable ignition and optimal engine performance.

Key Features:

  • Heavy duty yttrium-enhanced center electrode with copper core for superior reliability and durability
  • Tapered cut nickel chromium ground electrode assists in cold weather starts and provides increased ignitability
  • Nickel-plated rolled threads provide anti-seize and corrosion protection
  • Metal glass fused resistor gives maximum interference suppression
  • Angular 5-rib insulator design prevents flashover
  • Heat range 9 for excellent thermal performance

Specifications:

  • Thread Diameter: 14mm
  • Thread Pitch: 1.25mm
  • Reach: 19mm (3/4")
  • Hex Size: 13/16" (21mm)
  • Seat Type: Gasket
  • Terminal Type: Removable Nut
  • Ground Electrodes: 1
  • Resistor: Yes (5000 Ohm)

Cross References:

  • OEM Part Numbers: 0031591003, 7911
  • NGK Equivalent: BPR5ES
  • Alternate Part Numbers: WR9DC, WR-9-DC, WR.9.DC

This spark plug provides reliable performance with proper torque specifications of 15-29 lb-ft for cast iron heads and 15-22 lb-ft for aluminum heads. The projected center electrode and standard ground electrode design ensure consistent spark delivery for smooth engine operation.

A+, great prices

easy, fast

Very satisfied! My intake shipped on Friday and I received it on Tuesday. Not only super fast shipping, but a great deal to boot!

Great! My part got here BEFORE the estimated delivery date! Now I may be able to complete my project in time! THANKS!!!

I like your prices on parts and ease of navigating on your site.

I ordered a chrome brake light cover from Autoplicity 3 days ago and received it today. Their add showed the piece I wanted clearly and it arrived today exactly as I expected. It looks great on my new Dodge truck. Thanks for the great service!

So far so good.

fast and easy simple as that

Easy and simple

Best price for brake pads on the web! Great product! Happy with this purchase

cool

decent, i wish i could stack coupons

Great Price Fast Shipping. Would come back.

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