6 Best k seal st5501 multi purposes of 2026

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1

K-Seal
K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml
Main highlights

Key Features
Fixes blown head gaskets, cracked heads, and porous blocks with ceramic micro-fibers for leaks up to 0.635mm.

Ideal Use Cases
Perfect for cars, SUVs, and small trucks; large engines may require two bottles for effective results.

Customer Reviews
Highly praised for its ease of use and effectiveness in permanently sealing leaks, saving on costly repairs.
Key specs
- Form:Liquid
- Size:7.95 x 2.72 x 2.2 inches
- Material:Ceramic micro-fibres
- Application:Head gaskets, cracked heads
- Temperature:N/A
9.7

Exceptional

Our Rating
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Value for Money

2

K-Seal
K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks
Main highlights

Simple and Convenient
Just pour and go for easy head gasket repair.

Ideal for All Vehicles
Universal application suitable for all vehicle types.

Praised for Effectiveness
Customers praise its ability to fix leaks permanently.
Key specs
- Function:Head gasket repair
- Formulation:Liquid sealant
- Dimensions:2.5 x 2.5 x 8 inches
- Compatibility:All vehicles
- Protection:Permanent repair
9.5

Excellent

Our Rating
3

K-Seal
K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
Main highlights

Permanent Coolant Leak Repair
K-Seal's unique formula seals holes and cracks permanently, enhancing engine efficiency.

Versatile Vehicle Use
Ideal for fixing leaks in radiators, gaskets, heater cores, and more.

Instant Results Praised
Customers frequently praise the immediate effectiveness of K-Seal in resolving leaks.
Key specs
- Function:Coolant leak repair
- Formulation:Unique formula
- Dimensions:7.87 x 2 x 6 inches
- Compatibility:All types of antifreeze
- Protection:Seals holes and cracks
9.4

Excellent

Our Rating

9.5
Simple to use

8.9
worth the money

8.2
distance
4

K-Seal
K-Seal ST5516 Heavy-Duty Multi-Purpose One Step Permanent Coolant Leak Repair, 16 oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required
Main highlights

Permanent Coolant Leak Repair
K-Seal's unique formula seals holes and cracks without affecting engine cooling.

Versatile Usage for Heavy Vehicles
Ideal for HGVs, tractors, and commercial vehicles. Works on radiators, head gaskets, and more.

Effective and Long-Lasting Results
Customers praise its quick leak sealing and longevity, even for months.
9.3

Excellent

Our Rating

9.5
Simple to use

8.4
worth the money

8.0
distance
5

CRC
CRC K&W 401016 Block Seal Permanent Metallic™ Block & Radiator Seal - 16 Oz
Main highlights

Key Features
Permanently seals cracks in engine blocks and radiators, withstands extreme conditions, professional grade formula stronger than steel.

Ideal Use Cases
Perfect for all water-cooled diesel and gasoline vehicles needing repairs in cast iron, aluminum, and bi-material radiators & heater cores.

Customer Praise
Most reviews highlight its reliability in permanently fixing leaks, exceeding expectations in performance and durability across various vehicle types.
9.0

Excellent

Our Rating

8.0
worth the money

8.0
Simple to use

8.0
distance
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6

K-Seal

K-seal Coolant Leak Repair, Model No. ST5501
8.9

Very Good

Our Rating

6 Best k seal st5501 multi purposes of 2026

1

K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml

How do we rank?

How do we rank?

Analyzing top stores

2

K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks

3

K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required

9.5

8.9

8.2

4

K-Seal ST5516 Heavy-Duty Multi-Purpose One Step Permanent Coolant Leak Repair, 16 oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required

9.5

8.4

8.0

5

CRC K&W 401016 Block Seal Permanent Metallic™ Block & Radiator Seal - 16 Oz

8.0

8.0

8.0

6

K-seal Coolant Leak Repair, Model No. ST5501

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