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Vehicle Radiator Additives & Sealants
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Holts
Wynns
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Holts
Unbranded
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Best selling
See all
K-Seal K5501 Cooling System Repair 236ml
(581)
£12.20 New
Holts RW2R Radweld Radiator Treatment 250ml
(242)
£4.70 New
K-Seal K5516 Bus Coolant Radiator Leak Repair - 472ml
(20)
£20.95 New
Putoline ICECOOL2 Bike Coolant - 2L
(22)
£16.97 New
LIQUI MOLY 1804 Radiator Cleaner - 300ml
(35)
£6.49 New
Holts HREP0101A SEALIT Coolant Leak Repair, 250ml
(73)
£11.99 New
LIQUI MOLY 2533 Radiator Stop Leak - 250ml
(26)
£6.49 New
Ce-lit Radiator Cement X3
(91)
£3.95 New
Top-rated
See all
Holts RW2R Radweld Radiator Treatment 250ml
(243)
93%
agree - Would recommend
£4.70 New
LIQUI MOLY 1804 Radiator Cleaner - 300ml
(35)
100%
agree - Would recommend
£6.49 New
Putoline ICECOOL2 Bike Coolant - 2L
(22)
100%
agree - Would recommend
£16.97 New
U-POL ISOPON Leak Stop 250ml UPOLKSTOPS
(7)
100%
agree - Would recommend
£10.98 New
K-Seal K5501 Cooling System Repair 236ml
(582)
89%
agree - Would recommend
£12.20 New
Ce-lit Radiator Cement X3
(91)
96%
agree - Good value
£3.95 New
Holts HREP0101A SEALIT Coolant Leak Repair, 250ml
(74)
89%
agree - Would recommend
£11.99 New
Holts Speedflush Cooling System Cleaner - 250ml
(39)
88%
agree - Would recommend
£6.04 New
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5,601 results
Sort: Best match
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Time: ending soonest
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Price + postage: lowest first
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Brand
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Castrol
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MOTUL
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Unbranded
Wynns
Not specified
Volume
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K-SEAL Multi Purpose Permanent Coolant Leak Repair Head Gasket Radiator Repair
Brand new
·
K-Seal
(582)
£12.20
Free postage
64 sold
K-SEAL HD PERMANENT RADIATOR STOP LEAK HEAVY DUTY LARGE 472ML COOLANT REPAIR NEW
✅✅ FREE DHL NEXT DAY DELIVERY ✅✅
Brand new
·
K-Seal
(20)
£29.99
Free postage
Est. delivery
Thu, Aug 14
13 watching
Liqui Moly Car Radiator Stop Leak Rad Cooling System Repair Seals Leaks 250ml
✅✅ FREE DHL NEXT DAY DELIVERY ✅✅
Brand new
·
LIQUI MOLY
(26)
£15.95
Free postage
Est. delivery
Thu, Aug 14
Red Line Water Wetter Super Coolant Additive Rust and Corrosion Protection 355ml
Brand new
·
Red Line
£17.89
Free postage
Est. delivery
Fri, Aug 15
141 sold
K-Seal Permanent Coolant Leak Repair for Head Gaskets / Radiators / Sealer K5501
Brand new
·
K-Seal
(582)
£12.45
Free postage
Est. delivery
Fri, Aug 15
6,113 sold
2x Liqui Moly Radiator Cleaner Flush 300ml Remove Deposits Coolant System Flush
Brand new
£13.45
(£13.45/Unit)
Free postage
Est. delivery
Fri, Aug 15
269 sold
K-SEAL Multi Purpose Permanent Coolant Leak Repair Head Gasket Radiator Repair
Brand new
·
K-Seal
(582)
£12.20
Free postage
Est. delivery
Fri, Aug 15
3,725 sold
Holts Radweld 250ml - Permanently Seals Leaks In All Types Of Radiator
Brand new
·
Holts
(243)
£5.11
Free postage
62 sold
Holts Sealit Professional Permanent Car Coolant Leak Repair guaranteed
Brand new
·
Holts
(74)
£11.99
to
£28.99
Free postage
Est. delivery
Fri, Aug 15
15 sold
K-Seal Permanent Coolant Leak Repair for Cooling Systems Head Gaskets Radiators
✅✅ FREE DHL NEXT DAY DELIVERY ✅✅
Brand new
£19.95
Free postage
Est. delivery
Thu, Aug 14
454 sold
Holts Radweld Plus New Formula Leak Repair Total Cooling System Leak Repair
✅✅ FREE NEXT DAY DELIVERY ✅✅
Brand new
·
Holts
(5)
£14.99
(£14.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
219 sold
RISLONE/BARS Head Gasket Repair Sealant (Stops all Coolant Leaks) 576g @ £19.50
Brand new
·
Bars
£19.50
Free postage
Est. delivery
Fri, Aug 15
51 sold
3x Holts Radweld Repair Radiator & Hoses Weld Stop Leak Cooling Car System 250ml
Brand new
·
Holts
£11.99
Free postage
Est. delivery
Fri, Aug 15
448 sold
2x Caldini Radiator Flush 300ml Remove Deposits Cleans Coolant System Flush
Brand new
£9.99
(£5.00/Unit)
Free postage
Est. delivery
Fri, Aug 15
Holts Sealit Professional Permanent Car Radiator & Coolant Leak Repair 250ml
✅✅ FREE NEXT DAY DELIVERY ✅✅
Brand new
·
Holts
(74)
£19.99
Free postage
Est. delivery
Thu, Aug 14
17 sold
GASKET FIX UK HEAD GASKET REPAIR DIY SEALANT OVERHEATING BLOWN CYLINDER
Brand new
£25.85
(£25.85/Unit)
Free postage
Est. delivery
Fri, Aug 15
Only 2 left
SILVERHOOK Radiator Flush Cleaner Rust Remover Deposits Coolant System 500ml x2
Brand new
·
Silverhook
£12.99
Free postage
Est. delivery
Fri, Aug 15
168 sold
K-Seal ULTIMATE Head Gasket Repair for Head Gaskets, Cracked Heads, Blocks K3501
Brand new
£32.45
Free postage
Est. delivery
Fri, Aug 15
Only 1 left.
Holts Radweld Repairs Radiator Weld For Leaking Radiators Rads 250ml FREE P&P
✅✅ FREE NEXT DAY DELIVERY ✅✅
Brand new
·
Holts
(243)
£9.99
Free postage
Est. delivery
Thu, Aug 14
264 sold
K-Seal - Permanent Coolant Leak Repair Head Gaskets Radiators Cooling Systems
Brand new
·
K-Seal
(582)
£12.92
Free postage
2,965 sold
K-SEAL HD Permanent Radiator Stop Leak Heavy Duty Large 472ML Coolant Repair New
Brand new
·
K-Seal
(20)
£20.95
Free postage
Est. delivery
Fri, Aug 15
569 sold
Bar’s Leaks Original Radiator Stop Leak Seals cracks in cooling system
UK Seller ⭐ Fast & Free Shipping ⭐ Tier 1 Auto Brands
Brand new
·
Bars
(5)
£11.99
Was:
£15.60
was - £15.60
Free postage
Only 3 left
K-Seal Ultimate Permanent Head Gasket Repair (472ml) +Cracked Blocks/Heads etc
Brand new
£31.50
Free postage
Est. delivery
Fri, Aug 15
34 sold
Putoline Coolant NF Motorcycle Motorbike MotoCross Coolant Antifreeze - 4L
Brand new
£30.88
Free postage
Only 3 left
Liqui Moly Radiator Cleaner Speed Flush Protects Cleans Cooling System 300ml
Brand new
·
LIQUI MOLY
(35)
£7.93
to
£17.97
(£0.06/L)
Free postage
Est. delivery
Fri, Aug 15
69 sold
Red Line Water Wetter Engine Temperature Super Coolant - 355ml Bottle
1st Class Service & Huge Stock From Demon Tweeks Direct
Brand new
·
Red Line
£19.75
Free postage
Est. delivery
Fri, Aug 15
64 sold
Holts Radweld Repairs & Stops Leak Cooling Car Radiator System 250ml
Brand new
·
Holts
(243)
£6.49
Free postage
Est. delivery
Fri, Aug 15
1,530 sold
Holts Radweld Radiator Leak Repair Stops Leaks Cooling System Repair 250ML
Brand new
·
Holts
(243)
£6.45
Free postage
977 sold
Three Bond Liquid Grey 1215 Engine & Gearbox Sealer
Brand new
·
ThreeBond
(76)
£21.99
Free postage
436 sold
2 x Radiator Radiator Stop Leak Powder Car Cooling System Weld Repair 25g
UK Seller ⭐ Fast & Free Shipping ⭐ Tier 1 Auto Brands
Brand new
·
Bars
£11.89
Was:
£22.80
was - £22.80
Free postage
41 sold
4x Holts Sealit Professional Permanent Car Coolant Leak Repair guaranteed
Brand new
·
Holts
£28.99
Free postage
Est. delivery
Fri, Aug 15
DIESEL ENGINE SUPER FAST SEAL HEAD GASKET FIX CYLINDER DIY SEALANT REPAIR NO.1
Brand new
£25.85
(£25.85/Unit)
Free postage
Est. delivery
Fri, Aug 15
303 sold
K-Seal HD Permanent Block Head Gasket Radiator Coolant Stop Leak Repair 472ml
Brand new
£21.49
(£21.49/Unit)
Was:
£28.99
was - £28.99
Free postage
Est. delivery
Fri, Aug 15
267 sold
4x Liqui Moly Radiator Cleaner Flush 300ml Remove Deposits Coolant System Flush
Brand new
£22.49
(£5.62/Unit)
Free postage
Est. delivery
Fri, Aug 15
97 sold
Holts Radweld Car Radiator & Hose Stop Leak Repair Additive Anti Corrosion 250ml
Brand new
·
Holts
(243)
£7.29
Was:
£8.05
was - £8.05
Free postage
Est. delivery
Fri, Aug 15
515 sold
2 x K2 Radiator Stop Leak Powder Sealant 18.5g Fast Cooling System Repair
Brand new
(16)
£6.75
Free postage
Est. delivery
Fri, Aug 15
204 sold
Wynns Radiator Rad Flush Car Van Vehicle Cooling System Cleaner Additive 325ML
Brand new
·
Wynns
(23)
£7.69
Free postage
Est. delivery
Fri, Aug 15
Only 3 left
Ducati Performance Genuine Factory OEM Eni Coolant Fluid, Antifreeze Red Type 1L
Official Ducati Dealer *Free UK Mainland Delivery*
Brand new
£21.99
Free postage
Est. delivery
Fri, Aug 15
144 sold
K-Seal HD Coolant Leak Repair 472ml Heavy Duty Multipurpose Permanent Stop Leak
Brand new
£25.99
Was:
£38.11
was - £38.11
Free postage
Est. delivery
Fri, Aug 15
62 sold
4x Holts Sealit Professional Permanent Coolant, Radiator, Hoses Leak Repair
Brand new
·
Holts
£28.95
Free postage
Est. delivery
Fri, Aug 15
STP Radiator Sealer Rad Head Gasket Stop Leak Car Van Cooling System Like K-Seal
Brand new
·
STP
£7.99
Free postage
Est. delivery
Fri, Aug 15
122 sold
Mannol Radiator Leak-stop 325ml Coolant Seal Prevent Leaks Cracks Gaskets Pump
Brand new
(12)
£7.99
Free postage
Est. delivery
Fri, Aug 15
Only 2 left
K-Seal Engine Block Cylinder Head Gasket Radiator Coolant Stop Leak 236ml K5501
Brand new
·
K-Seal
(582)
£12.79
(£12.79/Unit)
Was:
£16.70
was - £16.70
Free postage
Est. delivery
Fri, Aug 15
195 sold
TWO K Seal Head Gaskets, Coolant Leak, Repair Radiators
Brand new
·
K-Seal
(582)
£21.95
Free postage
722 sold
Holts Sealit Professional Permanent Car Radiator & Coolant Leak Repair 250ml
Brand new
·
Holts
(74)
£13.59
Was:
£19.99
was - £19.99
Free postage
Est. delivery
Fri, Aug 15
418 sold
RADIATOR STOP LEAK COOLING SYSTEM Turbo 18.5g Easy for Use Car THE BEST K2
Brand new
£3.29
Free postage
658 sold
K-Seal HD HGV Truck Block Head Gasket Radiator Coolant Stop Leak 472ml K5516
Brand new
·
K-Seal
(20)
£21.49
(£21.49/Unit)
Was:
£28.88
was - £28.88
Free postage
Est. delivery
Fri, Aug 15
94 sold
K-Seal Engine Block Cylinder Repair Head Gaskets Radiators Sealer 236ml K5501
Brand new
·
K-Seal
(582)
£12.79
(£12.79/Unit)
Was:
£19.79
was - £19.79
Free postage
Est. delivery
Fri, Aug 15
79 sold
2 x Holts Radweld Repairs Radiator Weld Stop Leaking Radiators Rads 500ml Total
Brand new
·
Holts
(18)
£8.95
Free postage
1,387 sold
2x Liqui Moly Radiator Cleaner Flush 300ml Remove Deposits Coolant System Flush
Brand new
£13.49
(£6.75/Unit)
Free postage
Est. delivery
Fri, Aug 15
204 sold
Liqui Moly Radiator Stop Leak 250ml Repairs & Stops Leak Car Cooling System
Brand new
(2)
£9.99
(£9.99/Unit)
Free postage
Est. delivery
Fri, Aug 15
229 sold
Wynns Car Radiator Stop Leak Sealant Antifreeze Coolant Repair Additive 325ml
Brand new
·
Wynns
£7.32
(£7.32/Unit)
Free postage
Only 1 left.
Rapid Radiator Leak Sealant - Repair Engine Block Water Pump - 0.3L - CE-LIT 977
Brand new
(9)
£10.38
(£34.60/L)
Free postage
Est. delivery
Fri, Aug 15
2x Holts Radweld Repair Radiator & Hoses Weld Stop Leak Cooling Car System 250ml
Brand new
·
Holts
£9.49
Free postage
Est. delivery
Fri, Aug 15
303 sold
Liqui Moly Radiator Cleaner 1804 Speed Flush Protect Cleans Cooling System 300ml
Brand new
·
LIQUI MOLY
(35)
£7.49
Free postage
Est. delivery
Fri, Aug 15
101 sold
Wynns Radiator Stop Leak Water Seal Cooling System Head Gasket Anti Rust 325ml
UK Seller ⭐ Fast & Free Shipping ⭐ Tier 1 Auto Brands
Brand new
·
Wynns
(22)
£8.30
Was:
£11.55
was - £11.55
Free postage
77 sold
Ce-Lit Radiator Stop Leak Repair Sachet - Easy Use
Brand new
(91)
£3.99
Free postage
Est. delivery
Fri, Aug 15
187 sold
Ambersil 31596 Highly Effective Glass Cleaner - For Glass & Glazing 400ml 6 Pack
Brand new
£49.99
£4.99 P&P
Est. delivery
Fri, Aug 15
WYNNS - CV COOLING SYSTEM TREATMENT AND STOP LEAK 1L - (W45690)
Brand new
·
Wynns
£14.99
(£14.99/Unit)
Free postage
Est. delivery
Fri, Aug 15
3x Holts Sealit Professional Permanent Car Coolant Leak Repair guaranteed
Brand new
·
Holts
£23.99
Free postage
Est. delivery
Fri, Aug 15
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