Would this work for ATF transmission fluid fittings?

It will work on a wide variety of fittings and applications but is designed for use on NPT (pipe) threads, not machined fittings like flare or compression ferrule types; if those are leaking, they need to be replaced.

Will it cause damage to Transmission if used on drain plugs ??

Absolutely not. Used this on T-56 6 Speed fill hole bolt with zero issues

Can this be used on polypropylene fittings with UNF threads?

You can use this on anything that’s threaded. Just allow it fully harden and double check for leaks once it does.

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57535 Seal and Lock Thread Compound,Thread Lock & Screw Glue for Bolts Nuts & Fasteners to Prevent Loosening & Corrosion, Removable w/Hand Tools 35 ml

Product ID: 95210036

Details

Material
Plastic
Brand
Permatex
Style
Seal and Lock
Item Weight
0.15 Pounds
Item dimensions L x W x H
8 x 5 x 0.5

💧Seals leaks up to 1000 PSI

🔒Locks threads tight

🔥Resists -60°F to 300°F temps

831217₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Lock it down, seal it tight — the pro’s secret weapon!

UNMATCHED SEAL HOLD - Combines thread sealant and blue thread locker for leak-proof, vibration-resistant connections.
PRESSURE PROOF PERFORMANCE - Secures fittings with an airtight, watertight seal up to 1000 PSI—no leaks, no worries.
CLEAN TAPE FREE APPLICATION - Replaces messy pipe tape and dope with a smooth, professional finish—ideal for pros and DIYers alike.
EXTREME TEMPERATURE DURABILITY - Operates flawlessly from freezing -60°F to scorching 300°F, protecting against rust and corrosion.
RAPID CURE HEAVY DUTY STRENGTH - Fast curing formula withstands up to 10,000 PSI, perfect for demanding industrial and automotive tasks.

Permatex 57535 Seal and Lock Thread Compound is a high-performance thread sealant and blue thread locker hybrid that prevents loosening, leaks, and corrosion. It seals metal tapered pipe threads up to 1000 PSI and rapidly cures to withstand pressures up to 10,000 PSI. Temperature resistant from -60°F to 300°F, it’s designed for heavy-duty automotive and industrial applications, offering a clean, reliable alternative to traditional pipe tape and dope.

Specifications

ASIN	B0787N1LTY
Best Sellers Rank	#803 in Automotive ( See Top 100 in Automotive ) #3 in Thread Lock Sealers #3,376 in Oils & Fluids
Date First Available	December 13, 2017
Department	unisex-adult
Item Weight	2.4 ounces
Item model number	57535
Manufacturer	Permatex
Product Dimensions	8 x 5 x 0.5 inches

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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831217₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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