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Permatex 85420 Permashield Fuel Resistant Gasket Dressing & Flange Sealant
Permatex 85420 Permashield Fuel Resistant Gasket Dressing & Flange Sealant
Permatex 85420 Permashield Fuel Resistant Gasket Dressing & Flange Sealant
Permatex 85420 Permashield Fuel Resistant Gasket Dressing & Flange Sealant

Permatex 85420 Permashield Fuel Resistant Gasket Dressing & Flange Sealant

(144 reviews)

DIRECTIONS: 1. Clean and dry surfaces. 2. Apply thin film or bead to both surfaces. 3. Allow ample drying time to completely evaporate solvent. 4. Assemble and torque to manufacturer’s specifications. Seals instantly. May return equipment to service immediately. Replace cap after use. Store below 100°F (38°C). Suitable as either a gasket maker or dressing, PermaShield seals surface imperfections between metal parts and is ideal in high performance applications. With an operating temperature range of -60° to 500°F (-50° to 260°C), this compound resists common engine fluids, including oil, gasoline, ethanol, water and anti-freeze and prevents contamination from moisture and dust.

DIRECTIONS: 1. Clean and dry surfaces. 2. Apply thin film or bead to both surfaces. 3. Allow ample drying time to completely evaporate solvent. 4. Assemble and torque to manufacturer’s specifications. Seals instantly. May return equipment to service immediately. Replace cap after use. Store below 100°F (38°C). Suitable as either a gasket maker or dressing, PermaShield seals surface imperfections between metal parts and is ideal in high performance applications. With an operating temperature range of -60° to 500°F (-50° to 260°C), this compound resists common engine fluids, including oil, gasoline, ethanol, water and anti-freeze and prevents contamination from moisture and dust.

$19.95 - $43.84

in 10 offers

Permatex 85420 Permashield Fuel Resistant Gasket Dressing & Flange Sealant

$19.95

(144 reviews)

DIRECTIONS: 1. Clean and dry surfaces. 2. Apply thin film or bead to both surfaces. 3. Allow ample drying time to completely evaporate solvent. 4. Assemble and torque to manufacturer’s specifications. Seals instantly. May return equipment to service immediately. Replace cap after use. Store below 100°F (38°C). Suitable as either a gasket maker or dressing, PermaShield seals surface imperfections between metal parts and is ideal in high performance applications. With an operating temperature range of -60° to 500°F (-50° to 260°C), this compound resists common engine fluids, including oil, gasoline, ethanol, water and anti-freeze and prevents contamination from moisture and dust.

DIRECTIONS: 1. Clean and dry surfaces. 2. Apply thin film or bead to both surfaces. 3. Allow ample drying time to completely evaporate solvent. 4. Assemble and torque to manufacturer’s specifications. Seals instantly. May return equipment to service immediately. Replace cap after use. Store below 100°F (38°C). Suitable as either a gasket maker or dressing, PermaShield seals surface imperfections between metal parts and is ideal in high performance applications. With an operating temperature range of -60° to 500°F (-50° to 260°C), this compound resists common engine fluids, including oil, gasoline, ethanol, water and anti-freeze and prevents contamination from moisture and dust.

Price comparison

Last updated at 17/06/2025 17:47:38

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Price history

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​

Price history

​
​

Reviews

25 August 2021
Wendy M

originally posted on automegastore.com.au

Creating a gasoline resistant leak proof joint
12 September 2021
Glenn

originally posted on autozone.com

Doesn't work
10 January 2023
bob27

originally posted on supercheapauto.com.au

Specification

Earn3x points
and collect84 Everyday Rewards points

Price comparison

Updated about 13 hours ago
Online Auto Parts

$19.95

+$6.56 delivery
Rolan Australia

$21.41

Low Stock
Automotive Superstore

$22.40

Low Stock

cashrewards

1.2% cashback


shopback

1.20% Cashback

Industrial Shed

$22.80

GSS Auto Parts

$25.67

+$12.95 delivery

See 11 more history offers

Supercheap Auto AU

$21.99

Low Stock

cashrewards

2.1% cashback

desertcart.com.au

$28.90

Low Stock
Speed Parts

$28.50

Low Stock
eBay.com.au

$23.08

Low Stock
Catch.com.au

$39.50

Low Stock
Autobarn

$25.99

Low Stock

cashrewards

1.9% cashback

AutoMegaStore

$20.99

Low Stock
VPW Australia

$19.52

Low Stock
MyDeal

$28.50

Low Stock

cashrewards

Up to 4.2% cashback


shopback

Up to 3.6% Cashback

Jessica Kate Garment

$8.40

Low Stock
Amazon.com.au

$29.75

Low Stock

Price history

​
​

Price history

​
​

Reviews

25 August 2021
Wendy M
originally posted on automegastore.com.au
Creating a gasoline resistant leak proof joint
12 September 2021
Glenn
originally posted on autozone.com
Doesn't work
10 January 2023
bob27
originally posted on supercheapauto.com.au
It works!
2 February 2020
Rob
originally posted on supercheapauto.com.au
Lawn mower fuel bowl bolt washer
6 January 2019
fastestintheworld
originally posted on autozone.com
Permatex 85420 do the job the first time
29 September 2020
ibidisibia
originally posted on ebay.com
Permatex 85420 PermaShield Fuel Resistant Gasket Dressing & Flange Sealant
24 January 2023
Gary
originally posted on automotivesuperstore.com.au
Sealed screw threads well
16 April 2022
Bert
originally posted on autozone.com
Seems to work well, very runny.
2 October 2019
Christian
originally posted on autozone.com
Waste of money
24 July 2022
dw72352
originally posted on ebay.com

Specification

Earn3x points
and collect84 Everyday Rewards points