Top 7 Radiator Flush Kit – Cooling System Additives

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1. Prestone


Prestone AF-KIT Flush 'N Fill Kit

Prestone #ad - Allows you to flush the complete cooling system, not just the radiator, in one easy process. Professionally back-flushes cooling systems of most cars and light trucks. Easily installs antifreeze/coolant in minutes. Removes rust and dirty coolant that that can lead to a clogged radiator. Prevents potential overheating and engine damage.
BrandPrestone #ad
ManufacturerPrestone #ad
Height2 Inches
Length9 Inches
Weight0.25 Pounds
Width9 Inches
Part NumberAF-KIT
WarrantyAs labelled



EPAUTO Spill Proof Radiator Coolant Filling Funnel Kit

EPAUTO #ad - Uspto patent no: us10519019B2. Cooling system fill kit prevents spills and trapped air. Allows color matching of caps for dedicated adapters. 5” extension bar and 45° Elbow allow access to caps under shrouds or at an angle. Trapped air pockets may cause erratic cooling system and heater performance.
BrandEPAUTO #ad
ManufacturerEPAuto #ad
Part NumberAQ-001-1

3. Prestone


22 oz., 2 Pack, Prestone AS105 Radiator Flush and Cleaner

Prestone #ad - Non-toxic, non-acidic formula is easy-to-use and safe for all cooling system metals. Effectively removes heavy deposits by drawing metal oxides into the solution. Cleans cooling systems to help prevent overheating. Strong enough to help restore maximum cooling system efficiency. 2-in-1 formula designed for light flushing and heavy-duty cleaning.
BrandPrestone #ad
ManufacturerPrestone #ad
Part NumberAS-105Y-2



Cooling System Funnel Allows Access To Hard-To-Reach Radiators, 15 Piece Set, OEMTOOLS 87009 No-Spill Coolant Funnel Kit, Translucent, Near Universal Fitment

OEM TOOLS #ad - Spill free funnel: our coolant filler kit funnels automotive fluids, such as radiator coolant and oil, cleanly into any vehicle; the long burp funnel prevents spills and trapped air during refills after a coolant flush.

Near universal fitment: this spillfree funnel is ideal for an engine flush, a coolant pressure tester kit, even for a radiator flush; Coolant refill kit features near-universal fitment for American and foreign vehicles. Protect your vehicle: funnel automotive fluids, or combine with antifreeze tester kit to ensure your system stays clean and functional; Spill proof funnel kit includes a fluid stopper, which means no spills or air bubbles.

Adapters included: with the exceptional number of included adapters, OEM TOOLS delivers a spill free funnel kit that works better than just any old radiator fill funnel or coolant filling kit with a coolant funnel adapter. Ultimate multi-vehicle funnel kit: 4 cap adapters, 5 filler neck adapters, a stopper, 3 extensions, and a high quality transparent coolant funnel form a funnel kit more complete than others.
BrandOEM TOOLS #ad
ManufacturerOEMTOOLS #ad
Height6.8 Inches
Length9.5 Inches
Weight2 Pounds
Width7.7 Inches
Part Number87009

5. Thorstone


Thorstone Spill Free Radiator Coolant Filling Funnel Kit | No Spill Radiator Funnel Bleeder,with Adapters Fit Universal Vehicles,Clear

Thorstone #ad - Eliminates trapped air pockets which may cause instability in the cooling system and heater. Robust material & fine workmanship: made of pP ECO material. Fill securely without leaks: highly sealed interface & clear funnel design, allows a quick visual check of the coolant.

Take up the mess and save your time. Suitable for most vehicles: multiple adapters, 2x45 ° elbows & a 5" extender, Fit Radiators or Surge Tanks on Most Domestic and Import Cars and Light Trucks. Bright color and sealed lid help you to storage efficiently. Test to withstand 200 degrees high temperature & accidental fallsUnless encounter a severe external force. Smart spill free radiator fill funnel: the innovative bleeding kit controls the coolant entering system and enables unattended Filling. Economic design: the fluid stopper will help you economically recycle unused coolant in the funnel after finish.
BrandThorstone #ad
Manufacturerthorstone #ad
Height9.5 Inches
Length6.8 Inches
Weight0.94 Pounds
Width7.7 Inches
Part Numberwgreqwc-126

6. OTC


OTC 6043 Blast-Vac Multipurpose Cleaning Gun

OTC #ad - Also usable in washing engines and even shop floors. The tool can also be used to vacuum by turning the venturi inside the gun in the opposite direction. Just two simple connections - one to shop air, the other to a standard water spigot - creates a unique air/water vortex blast for powerful cleaning capabilities. Perfectly suited for quick and efficient cooling system flushing. Simply attach it to a radiator or heater hoses and you’re in business.
BrandOTC #ad
ManufacturerOTC #ad
Height2.88 Inches
Length9 Inches
Weight0.9 Pounds
Width8.38 Inches
Part Number6043
WarrantyLimited lifetime warranty

7. Dorman


Dorman 47016 Coolant Service Kit

Dorman #ad - Package dimensions: 17. 526 l x 2. 286 h x 16. 764 w centimeters. Automotive Cooling Parts. Country of Origin : China. Package weight : 03 pounds.
BrandDorman #ad
ManufacturerDorman - HELP #ad
Height1.25 Inches
Length8.25 Inches
Weight0.1 Pounds
Width7.25 Inches
Part Number47016

8. ABN


ABN Coolant Funnel Kit Radiator Spill Free Funnel Auto Coolant Flush Kit No Spill Funnel Radiator Funnel Fill Kit

ABN #ad - Package contents: coolant vacuum refill kit includes 1 radiator burp funnel with detachable lid to keep the car radiator funnel clean and other contents organized, 3 adapters two 45-degree elbow, 5 caps, one 5-inch/12.7cm long straight, and 2 clear tubing extras 4-inch x 6mm OD / 4mm ID. Built to last: 6. 75-inch x 8. 25-inch 17. 1cm x 21cm overall with 075-inch 1. 9cm outside diameter od coolant fill funnel tip that securely fits the included adapters of different sizes; While there are no measurement markings on the coolant spill free funnel, it can hold a maximum of approximately 70 ounces 2.

1 l; constructed from opaque yellow hard-plastic components; 3 out of 5 cap adaptors include steel rings to hold the adaptors in place. Easy to use: insert appropriate adaptor and cap on your radiator, with engine running allow trapped air to escape through funnel, place funnel plug into funnel neck, drain captured fluid into a container, add your coolant, remove funnel and fluid, squeeze radiator hose, insert stopper, place funnel in adapter, transfer remaining fluid to a container or overflow reservoir; If using funnel lid – allow fluids cool to ambient temperature, replace cap on the now air-free radiator. Perform tests & refill fluids: the abn | cooling system refiller kit coolant burping funnel radiator Flush Kit prevents squeaky belts and spills when changing radiator coolant, flushing systems, vacuum filling, or replacing hoses; Connects to radiator and seals for hands-free work so you can fill fluid level higher than radiator allows for coolant expansion to remove trapped air pockets or head gasket combustion leak bubbles that can otherwise cause cooling system errors and heater issues.

Fits your vehicle: antifreeze funnel kit works on any vehicle filled through the radiator not the expansion tank; The included straight extension and 45-degree elbows allow access to caps located under shrouds or in fender wells; Works in any hard-to-reach area and can be combined to use on radiator caps that are placed at an angle.
BrandABN #ad
ManufacturerABN #ad
Height7.75 Inches
Length8.75 Inches
Weight1.61 Pounds
Width6.8 Inches
Part Number0999

9. NuaDua


NuaDua Car Radiator Pressure Tester and Vacuum Type Cooling System Purge Refill Kit 28pcs with Case

NuaDua #ad - With color coded radiator test caps to easily identify when choosing the suitable test cap;. With this practical tool kit, you can detect internal engine leaks caused by blown head gaskets or cracked blocks and heads;. Allows you to change coolant and test for leaks in the vehicle cooling system, including radiator, heater core and radiator cap in a simple and straight-forward way;. This is a high-quality 28 pcs universal master radiator pressure testing kit. The vacuum purge and refill tools help you to refill the vehicle cooling system and remove air pockets.
BrandNuaDua #ad

10. Speedmotor


2Pcs/set Universal 10" Radiator Cooling Fans 12V 80W Slim Fan Push Pull Electric Engine Fan with Mount Kit

Speedmotor #ad - Maximum fan cfm: 1730 cfm; maximum fan RPM:2250 RPM. Fan can be used as pusher or puller with the adaptable mounting kit. High-quality, lightweight, and durable; great as replacement or upgrade from factory parts. Simple installation, no modifications required. 6 blades 12v 80w radiator engine cooling fan with mounting kit. Fitment: truck/van/trailer/rv/pickup etc. Any radiator depending on size ;aids to cool the Entire Engine Bay, A/C System, including Radiator, Oil System, Intercooler, and Transmission.
BrandSpeedmotor #ad
ManufacturerSpeedmotor #ad
Weight4.41 Pounds
Part Number04SDB4010BRD
Warranty1 year warranty