Ignitions and Electrical› Ignition Components

NGK

SILKR8A-S Spark Plug

$21.15

SKU: 12290-RWC-A01

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Genuine Acura 12290-RWC-A01 is a direct replacement spark plug. It is also known as the SILKR8A-S or NGK 1402. This part replaces the 12290-RWC-A10.
Show original supplier description
The Genuine Acura 12290-RWC-A01 is a direct replacement spark plug designed to meet the exact specifications of your vehicle's original equipment. Also known by its NGK part number, SILKR8A-S, this spark plug is engineered for optimal performance and longevity. This spark plug features a fine wire iridium center electrode and a platinum pad at the ground electrode for even wear in distributorless ignition systems. This part is a direct replacement for the 12290-RWC-A10 and is guaranteed by Acura's factory warranty. Four of these spark plugs are required per vehicle.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandNGK
Part Number12290-RWC-A01
CategoryIgnitions and Electrical

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy