Engines and Components› Engine Covers, Pans and Dress-Up Components

Mazda (OEM)

Mazda Valve Cover Gasket

$43.34

SKU: L3K9-10-230

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Mazda Valve Cover Gasket is a direct replacement part designed for specific Mazda models. This gasket is made from rubber to ensure a proper seal.
Show original supplier description
The Mazda Valve Cover Gasket, part number L3K9-10-230, is a genuine OEM replacement component designed to maintain the integrity of your engine's valve cover. Crafted from durable rubber, this gasket provides a reliable seal between the cylinder head and the valve cover, preventing oil leaks and maintaining proper engine function. This valve cover gasket is listed as fitting certain Mazda 3, Mazda 6, and CX-7 models, primarily with the 2.3L L4 gas engine, including the Mazdaspeed variants. However, it is crucial to verify fitment for your specific year and trim. For instance, some sources indicate that this part 'does not fit' 2021 and 2022 Mazda models, emphasizing the need for careful vehicle year/make/model/engine verification before purchase.
Vehicle Symptoms
  • Oil leaking onto exhaust manifold
  • Burning oil smell from engine bay
  • Visible oil around valve cover edges
  • Low oil level without external puddles
  • Engine misfire due to oil on spark plugs
Relevant Conversations
  • Mazda 3 valve cover gasket replacement cost
  • Oil leak top of engine Mazda 6 2.3L
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  • Oil smell from engine after driving
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  • Mazda 3 misfire oil on spark plugs
  • Valve cover gasket replacement time
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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

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Specifications

BrandMazda (OEM)
Part NumberL3K9-10-230
CategoryEngines and Components
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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.

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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.

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