FREE SHIPPING* On Orders Over $199 within 48 States
Shop in Confidence with Our Price Protection Program!
The 1% Award · Auto Parts Store of the Year 2026
Clear Car Save Vehicle
  • Subaru OEM [15 - 26 WRX] Spark Plug Tube Seal | 10966AA043 - JDMuscleSUB10966AA043
  • Subaru OEM [15 - 26 WRX] Spark Plug Tube Seal | 10966AA043 - JDMuscleSUB10966AA043

Subaru OEM

Subaru OEM

Spark Plug Tube Seal

Fits: 15-26 WRX

$422
Earn $0.08 In JDMuscle Rewards!
Out of stock
Financing available starting $0.13 /month and as low as 0% APR.
Subaru OEM Spark Plug Tube Seal
Fits: 15-26 WRX

Estimated Shipping Widget will be displayed here!

Profile Avatar

Talk to an Enthusiast

Verify Fitment & Product Recommendations

M-F 8:30AM - 5:00PM

(866) 833-3536 Email

Fitment

Please Note: Genuine Subaru OEM spark plug tube seal (valve cover component) for FA20/FA24 engines - identity verified via STM Tuned, SubaruPartsPros, Import Image Racing, QuirkParts, and Subaru Direct Wholesale. Legacy description incorrectly described an NGK spark plug - corrected to spark plug tube seal per 5 independent sources. Legacy [15-26 WRX] fitment range kept verbatim. Fits 2015-2026 Subaru WRX (FA20DIT / FA24). Also fits 2013-2023 BRZ per STM Tuned - no BRZ bucket set. Sold individually (4 required for a full set). Subaru part number 10966AA043 (replaces 10966AA040, 10966AA041, 10966AA042).
  • 2015–2026 Subaru | WRX

Description

Genuine Subaru OEM spark plug tube seal for FA20 and FA24 engines. This seal fits into the valve cover to keep engine oil out of the spark plug tubes, protecting the spark plugs and ignition coils from oil contamination.

  • Genuine Subaru OEM component
  • Spark plug tube seal for the valve cover
  • Prevents oil from entering the spark plug tubes
  • Recommended replacement during spark plug or valve cover gasket service
  • Sold individually - 4 required for a full set
  • Fits: 2015-2026 Subaru WRX (FA20DIT / FA24)
  • Subaru part number 10966AA043 (replaces 10966AA040, 10966AA041, 10966AA042)

Shipping and Delivery

Review our Shipping Policy for delivery details, shipping costs and exclusions.

Warranty and Support

Limited Manufacturer Warranty

Return and Refund

Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.

Proposition 65

Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov