Skip to main content
Overstock Sale!
Up to 10% off over 2,000 overstocked items
Click link above to activate discount, web-exclusive discounts show in cart
Click Here to Try out the NEW WCCC Cougar Parts Catalog
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
  • Diffusers - PAIR - Temp / Fuel Gauge - Used ~ 1969 - 1970 Mercury Cougar - 31991
  • Diffusers - PAIR - Temp / Fuel Gauge - Used ~ 1969 - 1970 Mercury Cougar - 31991
  • Diffusers - PAIR - Temp / Fuel Gauge - Used ~ 1969 - 1970 Mercury Cougar - 31991
  • Diffusers - PAIR - Temp / Fuel Gauge - Used ~ 1969 - 1970 Mercury Cougar - 31991
  • Diffusers - PAIR - Temp / Fuel Gauge - Used ~ 1969 - 1970 Mercury Cougar - 31991

Diffusers - PAIR - Temp / Fuel Gauge - Used ~ 1969 - 1970 Mercury Cougar

Item #: 31991
There are no reviews yet Write a review
Cost: 830
Earns: 42
Bonus: 0

Used pair of gauge diffusers for the 69 - 70 Fuel or Temperature gauges.
1969 Mercury Cougar
1970 Mercury Cougar

Price: $10.37
    The product is in stock Availability*: Used / Wrecking Yard Item
    Usually leaves warehouse: 2-5 Business Days (May delay order)
    Used / Wrecking Yard Item Quantity: 9
    Used / Wrecking Yard Item - Ships in: 2-5 Business Days (May delay order)

    Many used items in our pictures have been cleaned and/or bead blasted prior to being photographed to show condition and detail. 

    The item you receive, in most circumstances, will be pulled from the donor car and shipped to you without being cleaned. 

    We do not retake pictures each time a used item sells. Pictures are a good indicator of what you will receive, but not all used parts age the same. On high dollar parts, email us and we can send a few pictures of the actual part available.

    "Core" Items:
     If we use the word "Core" in the title of the product, the item has been deemed rebuildable, but has not been rebuilt.  The item you receive, in most circumstances, will be pulled from the donor car and shipped to you without being cleaned.

    Used pair of red diffusers for the temperature or fuel gauge on the 69 - 70 Mercury Cougar. The wording (alternator, park, brake, oil etc.) is on the actual lens and not the diffuser, so these can be used on either gauge.

    Sold as a pair.

    Shipping Weight:
    3.01 LBS
    (weight shown may be the dimensional weight)
    Shipping Dimensions:
    Number of questions: 0

    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

    Sign up for our newsletter

    Get to know us     Facebook     Youtube
    © 2026 West Coast Classic Cougar. All Rights Reserved
    Images embedded with "www.classic-cougar.com" or "CougarPartsCatalog.com" may be used as long as they remain unmodified. All images and text are property of West Coast Classic Cougar, unless otherwise noted.