Engines and Components› Oiling Systems

Tomei

Oversized Oil Pump Regulator Plug Washer

$8.00

SKU: TB203D-NS05A

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Tomei Oversized Oil Pump Repair Part Regulator Plug Washer is a replacement component designed for servicing and maintaining your performance setup. This part is specifically for oil pump repair.
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The Tomei Oversized Oil Pump Repair Part Regulator Plug Washer (TB203D-NS05A) is a genuine replacement part for servicing and maintaining your performance engine setup. Ideal for rebuilds, refreshes, and routine maintenance, this component ensures your oil system functions correctly. This regulator plug washer is a specific repair part for the oil pump. It is a new condition item from Tomei, a recognized brand in performance automotive components. The package weighs 1 lb and has dimensions of 9x7x1 inches. Please confirm compatibility with your specific application before ordering. While the part number is TB203D-NS05A, comprehensive fitment data for this specific repair part was not readily available in the provided sources, so verification with your application is crucial.

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

BrandTomei
Part NumberTB203D-NS05A
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.

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.

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