Skip to main content
Welcome to the NEW WCCC Cougar Parts Catalog
(Click here to tell us what you think)
Our warehouse is closed for New Years Jan 1-4th.
Orders placed after 12PM PST on Tuesday 12/30/2025 may not ship until Monday (1/5/2026).
International Customers Click Here [Updated 6/2025]
true

Water Restrictor Plate - 351C - OEM Style - Repro ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang

Item #: 33970
There are no reviews yet Write a review
Cost: 3056
Earns: 153
Bonus: 0

Price: $38.20
    The product is in stock Availability*: In-Stock Item
    Usually leaves warehouse: Next Business Day
    In-Stock Item Quantity: 15
    In-Stock Item - Ships in: Next Business Day

    Reproduction water bypass plate for all Ford 351C engines. This is an OEM style brass restrictor plate for 70-73 Cougar, Mustang, Torino etc.

    Must be used in conjunction with the correct 180 degree thermostat.

    Check out this video
    Shipping Weight:
    0.20 LBS
    (weight shown may be the dimensional weight)
    Shipping Dimensions:
    Number of questions: 1
    0 0
    Hi, is this #33970 water restrictor plate the same as the #30465 plate (which is out of stock)? Can either one be used in conjunction wit the 30466 Concours 180 degeree Thermostat?
    Clem May 27, 2025 2:24 PM
    Answers
    0 0
    Both ITEM # 33970 and ITEM # 30465 are reproductions of the same 351C water restrictor plate, but from different manufacturers. ITEM # 30465 was discontinued. Both work with the correct 351C thermostat (ITEM # 30466).
    WCCC Admin May 27, 2025 5:16 PM

    Why am I being warned about potential exposure to chemicals in motor vehicle parts?


    • Some chemicals in motor vehicle parts are on the Proposition 65 list because they can cause cancer and/or birth defects or other reproductive harm.
    • When purchasing USED or NOS items, we do not know if listed chemicals are present in these products.
    • This product is known to contain the following listed chemicals:

    Help Improve this Product Listing

    I know it is hard to believe, but sometimes we make mistakes.
    Other times customers have more knowledge about a particular product than we do.
    Again, hard to believe, I know, but it is true.

    We greatly appreciate when customers want to help us make our site better.
    Because of this, we have developed a way for you to easily send suggestioned improvements to us.

    Help us improve this product