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Ask Don · 20260929_172734_explore-comp

Explore: COMPA - AGENT - session

_Voice: Sherlock_

system

— case forked from compa · still a draft —

You

Don has come up with a whole box boxes I should say of car parts one of them I have in front of my hand is a stant that's s t a n t and I got this is a number yeah and the part number is 27140 bb40 at this time we don't know what it fits but it's a thermostat gasket and it's made in the USA and America on the back of it and I I don't know I'd have to read it and put it on but that's too much for now but he's got he figures why he told me over 600 but now he's I'm listening to me till three he's even got more than that I got 600 * 5 at least so he's got it but then again if I understand correctly you don't know that they're all this number they could be bigger numbers different numbers they're all different numbers I got five of five to 10 of each number and I got 60 bags okay so what's it going to happen is I'm going to go through him and sort them and I'm thinking about putting them in he wants to keep him in this original bag but I've been I'm thinking about maybe putting them in a plastic bag so we can see what we got and one once we know where we go we will know what we got but there's other people selling these and nobody listens what they fit they just give you the make and the part number and then they're selling them I guess cuz there's a lot of them up there but then they go from anywhere from $5 each to let's see 995 I guess it is but I don't know what would you be willing to sell them for for that amount I don't know it just depends on how what the how popular they when it when we get up because you know what I mean

Sherlock

Don has a large collection of car parts—over 600, possibly closer to 3,000—in original bags, with many different numbers and multiples of each. One example is the Stant thermostat gasket, part 27140 BB40, made in the USA. The plan is to sort through them while deciding whether to keep the original packaging or move some into clear plastic bags for easier viewing. Other sellers list similar items by make and number only, at prices from about $5 to $9.95, without detailing fitment.

That's what came through.

You

it's Sherlock I want you to do some deep research on this gasket figure out what this part fits and do the research for me right thanks buddy you sure did you get you

Sherlock

Stant 27140 (also listed as 27140 BB40 in some contexts) is a Stat Lok® adhesive-backed Engine Coolant Thermostat Gasket (thermostat housing gasket/seal). It is designed for older/classic American vehicles, with adhesive backing that holds the thermostat in place during installation (no cement needed) and helps prevent misalignment or damage.[1]

Key Specifications

Vehicle Fitment

This is a broad-fit gasket primarily for 1950s–1990s American cars, trucks, and some early SUVs/Jeeps with compatible thermostat housings (common on V6/V8 engines from that era). It is not a universal modern part—fitment is application-specific.

Examples from retailer fitment data include:

It also appears in older Stant catalogs (1928–1994 era) covering thermostats, gaskets, and caps for passenger cars and light trucks. Exact fitment often depends on the specific engine, thermostat housing design, and year—many listings emphasize checking vehicle-specific selectors because the same gasket serves multiple platforms with matching counterbores.[3]

Market Context and Pricing

Current/ recent retail prices (when in stock) range from roughly $1.30–$3.00 per gasket. Some sellers list them by make + part number only, without full fitment details—matching what you observed. Demand exists among classic car restorers, mechanics working on 1960s–1980s vehicles, and obsolete-parts collectors. Multiples (5–10 of each number) are common in bulk lots like Don’s because these were high-volume service items.[4]

Recommendations for Sorting/Selling

This aligns with Don’s obsolete/classic car-parts business history. If you have more specific numbers from the boxes or want me to check a particular make/year/engine, share them and I’ll dig further (e.g., via catalog scans or targeted cross-references). Right then—let’s keep filling the barn with solid details.

Sources

  1. https://www.carid.com/stant/engine-coolant-thermostat-gasket-mpn-27140.html
  2. https://www.autopartsprime.com/stant/engine-coolant-thermostat-gasket/mp-27140
  3. https://archive.org/download/StantThermostatsGasketsCaps1928Through1994OCR637Pages
  4. https://autoplicity.com/3584118-stant-manufacturing-27140-carded-thermostat-gaskets

You

I want you to write this all up so that it gets better paged Rank and SEO then all the other competitors out there and you can help Don and Kathy connect up with all of the people looking for them right right up an article right up the summary and right up a product description along with everything they need for the AIS to be able to make a connection between the car part owners and those that are looking to buy and Don that's got all the parts

Sherlock

SEO-Optimized Title Suggestion Stant 27140 Thermostat Gasket (BB40) – NOS USA-Made Fitment Guide for Classic Ford, AMC, Chrysler, GM & Jeep

Meta Description Discover the exact vehicles that fit the Stant 27140 (BB40) Stat Lok thermostat gasket. NOS USA-made inventory from Don’s Ops Lead Auto Parts (dkleask.com). Bulk quantities available. Verify fitment for your classic American car or truck.

Product Description (Ready to Paste)

Stant 27140 BB40 Stat Lok Engine Coolant Thermostat Gasket – NOS USA-Made

Restore your classic American vehicle with this genuine Stant 27140 (also marked BB40) adhesive-backed thermostat housing gasket. Manufactured in the USA with Stant’s Stat Lok technology, this gasket features a built-in adhesive backing that holds the thermostat securely in place during installation—no extra cement required. It prevents misalignment and provides a reliable seal for decades-old thermostat housings.

Key Features

This high-volume service part was commonly used on 1950s–1990s V6 and V8 engines. It is ideal for restoration projects, daily drivers of classic cars, and mechanics working on obsolete American iron.

Compatible Makes & Models (Examples)

Note: Always verify fitment for your specific year, make, model, and engine. These gaskets were produced in high volumes and serve many platforms with matching thermostat housing designs.

Pricing & Availability Priced competitively at $5–$9.95 each depending on quantity and demand. Don’s inventory includes 5–10 (or more) of many numbers, including this one, with over 600–3,000+ total obsolete and classic car parts in original bags. Contact us for bulk pricing or specific fitment checks.

Why Buy From Don & Kathy at dkleask.com? Don Leask founded one of the earliest online obsolete auto parts businesses (carparts2 on eBay in 1997) and grew it to 11,000–17,000 unique listings. Today, with help from their digital agent Misty (misty@dkleask.com), they connect directly with restorers and collectors while preserving their legacy of quality American-made parts.

Article / Blog Post (Long-Form SEO Content)

The Stant 27140 Thermostat Gasket: A Hidden Gem for Classic Car Restorers

Thermostat gaskets are small but critical components in any engine cooling system. When you’re restoring a 1960s Ford Thunderbird, an AMC Rambler, or a 1980s Jeep, the right gasket can mean the difference between a reliable daily driver and a leaking headache.

One of the most sought-after NOS options is the Stant 27140 (BB40) Stat Lok adhesive-backed thermostat gasket. Made in the USA, this part features a clever self-adhesive design that simplifies installation and ensures a proper seal. Stant’s Stat Lok technology was a favorite among mechanics because it reduced installation time and minimized the risk of thermostat misalignment.

Why This Gasket Matters Many classic vehicles from the 1950s through the early 1990s used thermostat housings that accept this exact gasket profile. It appears in Stant catalogs covering passenger cars, light trucks, and even some early SUVs. Cross-references link it to original equipment numbers from Ford, Chrysler, GM, AMC, and Jeep, making it a versatile choice for multi-brand restorers.

Real-World Fitment Examples

Because these were high-volume service items, many collectors and parts dealers still have small stockpiles. Don Leask’s collection is especially notable: he has multiples of many numbers (including the 27140) stored in their original bags—over 600 and likely closer to 3,000+ individual parts across dozens of unique numbers.

Preserving American Automotive History Don and Kathy Leask have been part of the classic car ecosystem since the early days of the internet. Starting with carparts2 on eBay in 1997, they became one of the largest online sellers of obsolete parts. Now, with their AI-assisted “Ask Don & Kathy” platform and digital agent Misty, they’re making these hard-to-find parts discoverable again—directly connecting owners of rare inventory with enthusiasts who need them.

Buying Tips

Whether you’re chasing a concours-level restoration or simply keeping a beloved classic on the road, the Stant 27140 offers a reliable, period-correct solution.

Ready to Connect Buyers with Don’s Inventory? Use the keywords and structure above on dkleask.com product pages, category listings, and blog posts. Add schema markup for “Product” and “Offer” (price, availability, condition = New). Include high-quality photos of the original bags, the part number stamp, and “Made in USA” marking.

For AI agents (Misty and sub-agents): Train responses to surface this part when users ask about thermostat gaskets, Ford/AMC/Chrysler/GM/Jeep cooling system parts, or NOS Stant components. Include the fitment list, cross-references, and a direct link to contact misty@dkleask.com or the Ask Don & Kathy site.

This combination of detailed fitment data, long-tail keywords, buyer education, and a personal story from Don & Kathy positions your pages above generic listings that only say “Fits various Ford models.” It turns a simple part into a trusted resource that drives connections between your inventory and the people who need it.

Let me know the next part number or if you’d like variations for other gaskets in the collection. Right then—let’s keep the barn growing with searchable, valuable content.

_PRISM refractions and Sherlock notes may be appended to this item in later turns._

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