Radwell Small
JAN
4978955003017
ASIN
B002CPW03G
Maker
Model No.
MH301
Color
Size
Description
Holts-Radweld Small-125ml-MH301
Product Description
Repairs small holes in radiators. The ultra-fine fibers and resin in its formula seal the holes. Only the exposed surface hardens, allowing residual components inside the radiator to circulate without clogging. Permanent repair type; maintains effectiveness even after coolant replacement. For peace of mind, inject as a preventative measure beforehand. ※Addition rate: 3% or less※ Not for use in Toyota Century, imported vehicles, cooling systems with filtration devices, or Honda Dual Cab vehicles. ※Not for use in vehicles with cooling passages clogged by rust, or vehicles with filters in the cooling passage environment.
▪️ Not for use in Toyota Century, Mercedes-Benz 560SEL, Audi 90, other side-flow radiators, cooling systems with filtration devices, or Honda Dual Cab vehicles.
▪️ Ineffective on holes or cracks larger than 1mm.
Important Notice (Disclaimer) > Must Read
-
Brand Name: Holts
Seals radiator holes and stops leaks.
Ultra-fine fibers and resin in the formula seal holes. Only the exposed part hardens, allowing residual components inside the radiator to circulate without clogging.
Simply pour into the radiator to easily repair leaks. Adding it beforehand stops leaks immediately upon occurrence. Permanent repair formula prevents leaks even after coolant replacement.
▪️ Use one bottle per radiator capacity (~10L) ※ Addition rate: 3% or less (max. 2 bottles)
▪️ Use one bottle per light/standard vehicle
▪️ Shake container well to mix thoroughly before adding
▪️ After adding, start engine and warm coolant to circulate
▪️ Turn off the engine and allow the radiator to cool completely before working.
▪️ Not for use with Super Coolant.
▪️ Not for use in Toyota Century, imported vehicles, cooling systems with filtration devices, or Honda Dual Cab vehicles.
▪️ Not for use in vehicles with cooling passages clogged by rust, etc., or vehicles with filters in the cooling circuit.
▪️ Ineffective on holes or cracks larger than 1mm.
▪️ It cannot repair all water leaks from holes or cracks.
▪️ If the radiator interior (coolant) is dirty, always clean the interior with a radiator cleaner (Holts Speed Flash MH304 or MH317) to remove scale, mud, and rust, then fill with fresh coolant. If contamination persists after using cleaner, refrain from using this product.
▪️ Monitor coolant levels until leakage stops.
4978955003017
Radweld Small
(text created at , 2025-05-12)
Product Description
Repairs small holes in radiators. The ultra-fine fibers and resin in its formula seal the holes. Only the exposed surface hardens, allowing residual components inside the radiator to circulate without clogging. Permanent repair type; maintains effectiveness even after coolant replacement. For peace of mind, inject as a preventative measure beforehand. ※Addition rate: 3% or less※ Not for use in Toyota Century, imported vehicles, cooling systems with filtration devices, or Honda Dual Cab vehicles. ※Not for use in vehicles with cooling passages clogged by rust, or vehicles with filters in the cooling passage environment.
▪️ Not for use in Toyota Century, Mercedes-Benz 560SEL, Audi 90, other side-flow radiators, cooling systems with filtration devices, or Honda Dual Cab vehicles.
▪️ Ineffective on holes or cracks larger than 1mm.
Important Notice (Disclaimer) > Must Read
-
Brand Name: Holts
Seals radiator holes and stops leaks.
Ultra-fine fibers and resin in the formula seal holes. Only the exposed part hardens, allowing residual components inside the radiator to circulate without clogging.
Simply pour into the radiator to easily repair leaks. Adding it beforehand stops leaks immediately upon occurrence. Permanent repair formula prevents leaks even after coolant replacement.
▪️ Use one bottle per radiator capacity (~10L) ※ Addition rate: 3% or less (max. 2 bottles)
▪️ Use one bottle per light/standard vehicle
▪️ Shake container well to mix thoroughly before adding
▪️ After adding, start engine and warm coolant to circulate
▪️ Turn off the engine and allow the radiator to cool completely before working.
▪️ Not for use with Super Coolant.
▪️ Not for use in Toyota Century, imported vehicles, cooling systems with filtration devices, or Honda Dual Cab vehicles.
▪️ Not for use in vehicles with cooling passages clogged by rust, etc., or vehicles with filters in the cooling circuit.
▪️ Ineffective on holes or cracks larger than 1mm.
▪️ It cannot repair all water leaks from holes or cracks.
▪️ If the radiator interior (coolant) is dirty, always clean the interior with a radiator cleaner (Holts Speed Flash MH304 or MH317) to remove scale, mud, and rust, then fill with fresh coolant. If contamination persists after using cleaner, refrain from using this product.
▪️ Monitor coolant levels until leakage stops.
4978955003017
Radweld Small
(text created at , 2025-05-12)
Package
Size (Approx.):
Size (Approx.):
59x32x118 mm
Package
Weight (Approx.):
Weight (Approx.):
130 g
1,348 JPY (Including Tax)
Stock :
7
Scheduled Shipping:
2026-07-15
Quantity :
Reference Price from Other Stores
