Car, 4WD & Light Commercial

Coolants, Brake & Maintenance Fluids

The fluids that decide whether the engine oil ever gets a fair test. Corrosion inhibition, boiling point and moisture control, specified properly.

13 grades in range

Why this range

Coolants, brake fluids and workshop maintenance fluids

Bohr Chemical maintenance fluids cover the consumables that keep a service bay moving: extended-life and universal antifreeze, DOT 3 brake fluid, windshield washer fluid, brake cleaner and rubberised undercoating. Each product is packaged in workshop-friendly sizes and specified against the standards technicians check first.

Corrosion protection

Inhibitor packages protect aluminium, cast iron, brass and solder in mixed-metal cooling systems.

Moisture control

Brake fluid boiling points are specified wet as well as dry, where pedal fade actually happens.

Bay-ready packaging

Gallon, aerosol and bulk formats sized for high-turnover service work.

Typical applications

  • Passenger car and light truck cooling systems
  • Heavy duty extended-life coolant top-up
  • Hydraulic brake and clutch systems
  • General workshop cleaning and undercoating

Featured grades

Most specified in this range

Concentrate, all colours

Universal Concentrated Antifreeze / Coolant

One concentrate for a mixed fleet. Dilute with demineralised water to the protection level you need and it tops up alongside coolant already in the system, whatever its colour.

ASTM D3306Mixes with all coolant coloursSuitable for hybrid and EV thermal loops

Concentrate, extended life

Heavy Duty Extended Life Red Antifreeze / Coolant

Extended-life red concentrate for on-highway trucks, buses and off-road plant. Organic acid chemistry protects wet-sleeve liners against pitting and holds inhibitor strength far longer than conventional coolant.

ASTM D3306 · ASTM D6210Caterpillar EC-1 · Cummins · Detroit DieselFord WSS-M97B51 · GM 1825M / 1899M · Chrysler MS-7170

DOT 3

DOT 3 Brake Fluid

Glycol-based hydraulic fluid for disc and drum systems, including ABS, where a DOT 3 grade is specified. Holds a high wet boiling point so pedal feel survives moisture pick-up.

FMVSS 116 DOT 3Exceeds SAE J1703ABS compatible

Full range

All coolants, brake & maintenance fluids

Organic acid technology

Long Life OAT Coolant Concentrate

BC-CL-OAT
LUBECH Long Life OAT Coolant Concentrate pack shot

Silicate-free, up to 5 years or 250,000 km service life in mixed-metal cooling systems.

Base oil
Ethylene glycol
Pack sizes
1 L · 5 L · 20 L · 205 L

Specifications

ASTM D3306AS/NZS 2108.1

Hybrid OAT, premixed

Hybrid Coolant Ready To Use

BC-CL-HOAT
LUBECH Hybrid Coolant Ready To Use pack shot

Premixed hybrid inhibitor package for Japanese and Korean cooling systems.

Base oil
Ethylene glycol 33%
Pack sizes
5 L · 20 L · 205 L

Specifications

ASTM D3306

DOT 4

Brake Fluid DOT 4

BC-BF-DOT4
LUBECH Brake Fluid DOT 4 pack shot

High dry boiling point with slow moisture uptake for ABS and ESC hydraulics.

Base oil
Glycol ether / borate ester
Pack sizes
250 mL · 500 mL · 1 L · 5 L · 20 L

Specifications

FMVSS 116 DOT 4ISO 4925 Class 4

Synthetic PSF

Power Steering Fluid

BC-PS-PSF
LUBECH Power Steering Fluid pack shot

Seal-friendly fluid that stays quiet on cold mornings and stable under lock-to-lock heat.

Base oil
Synthetic
Pack sizes
1 L · 20 L

Specifications

Most petrol/diesel PSF applications

Petrol & diesel variants

Fuel System Cleaner

BC-AD-FUEL
LUBECH Fuel System Cleaner pack shot

Injector and intake-valve deposit removal in a single treatment per service.

Base oil
Detergent concentrate
Pack sizes
375 mL · 1 L

Specifications

Direct injection safe

Additive

Oil Consumption Treatment

BC-AD-STOP
LUBECH Oil Consumption Treatment pack shot

Restores viscosity and seal pliability in higher-kilometre engines using oil.

Base oil
Ester / polymer
Pack sizes
375 mL · 1 L

Specifications

Compatible with all engine oils

18 oz aerosol

Rubberised Undercoating Spray

BC-AD-UC18
LUBECH rubberised undercoating 18 oz aerosol can

Quick-drying black rubberised spray that seals undercarriage metal against rust, road salt and stone chip while damping road noise.

Base oil
Rubberised asphaltic coating
Pack sizes
18 oz aerosol

Specifications

Paintable topcoatWaterproof film

Features & benefits

  • Fast-drying flexible black film
  • Shields against rust, corrosion and road salt
  • Holds up through extreme heat and cold
  • Resists water, dust and exhaust fumes
  • Can be painted over without bleed-through
  • Suits undercarriage, frames and wheel wells
  • Also useful on gutters, downspouts and minor roof repairs

Typical properties

Colour
Black
Finish
Rubberised
Net contents
18 oz
Dry to touch
Quick dry
Water resistance
Waterproof
Overcoat
Paintable

15 oz aerosol

Non-Chlorinated Brake Parts Cleaner

BC-AD-BC15
LUBECH non-chlorinated brake parts cleaner 15 oz aerosol can

High-pressure solvent spray that flushes brake fluid, grease and road film off pads, rotors and drums, then flashes off dry with no wipe-down.

Base oil
Non-chlorinated solvent blend
Pack sizes
15 oz aerosol

Specifications

Non-chlorinatedOzone-safe propellant

Features & benefits

  • Strips brake fluid, oil and grease on contact
  • Strong jet spray reaches into caliper and drum cavities
  • Evaporates fast and leaves no residue behind
  • Non-chlorinated chemistry, ozone-safe
  • Usable without stripping the brake assembly
  • Will not contaminate fluids destined for recycling

Typical properties

Net contents
15 oz
Form
Aerosol
Chlorinated
No
Residue
None
Dry time
Rapid flash-off
Use on
Pads · rotors · drums

DOT 3

DOT 3 Brake Fluid

BC-BF-DOT3
LUBECH DOT 3 brake fluid one gallon jug

Glycol-based hydraulic fluid for disc and drum systems, including ABS, where a DOT 3 grade is specified. Holds a high wet boiling point so pedal feel survives moisture pick-up.

Base oil
Glycol ether / borate ester
Pack sizes
500 mL · 1 L · 1 US gal

Specifications

FMVSS 116 DOT 3Exceeds SAE J1703ABS compatible

Features & benefits

  • Meets FMVSS 116 requirements for DOT 3 service
  • Performance above SAE J1703 limits
  • Suits disc, drum and ABS hydraulic systems
  • High wet boiling point resists vapour lock
  • Corrosion inhibitors protect cylinders and pistons
  • Formulated to stay gentle on seals and cups

Typical properties

Standard
DOT 3
Wet boiling point
≥ 284 °F (140 °C)
Spec
FMVSS 116
SAE
Exceeds J1703
ABS
Compatible
Pack
1 US gal

32.5% urea solution

Diesel Exhaust Fluid (DEF)

BC-DEF-25
LUBECH DEF diesel exhaust fluid 2.5 US gallon jug

API certified diesel exhaust fluid for SCR-equipped diesel engines. Injected into the exhaust stream to convert NOx into nitrogen and water, protecting the SCR catalyst and dosing injector from deposits.

Base oil
High-purity urea / deionised water
Pack sizes
2.5 US gal · 55 US gal drum · 275 gal tote · Bulk

Specifications

ISO 22241API certifiedAUS 32

Features & benefits

  • Meets ISO 22241 purity requirements
  • API certified 32.5% urea solution
  • Cuts NOx emissions in SCR aftertreatment systems
  • Protects the SCR catalyst and dosing injector
  • Low-deposit formulation for reliable dosing
  • Available in jug, drum, tote and bulk formats

Typical properties

Urea content
32.5%
Standard
ISO 22241 / AUS 32
Certification
API certified
Freeze point
-11 °C (12 °F)
Use with
SCR-equipped diesels
Pack
2.5 US gal · bulk

All season, 0 °F

Power Blast Blue Windshield Washer Fluid

BC-WW-0F
LUBECH blue windshield washer fluid one gallon jug

All-season blue wash that clears frost, light ice and road grime in one pass and dries streak-free across glass, wipers and paintwork.

Base oil
Methanol / detergent blend
Pack sizes
1 US gal · 4 L

Specifications

Effective to 0 °FSafe for EVs

Features & benefits

  • One formula for summer and winter service
  • Lifts frost, light ice, road grime and dirt
  • Dries without streaks or residue film
  • Freeze protection down to 0 °F
  • Suitable for all vehicles, including EVs
  • Blue dye makes reservoir level easy to read

Typical properties

Effective to
0 °F
Season
All season
Colour
Blue
Streaking
None
EV suitable
Yes
Pack
1 US gal

Concentrate, all colours

Universal Concentrated Antifreeze / Coolant

BC-AF-UNI
LUBECH universal concentrated antifreeze coolant one gallon jug

One concentrate for a mixed fleet. Dilute with demineralised water to the protection level you need and it tops up alongside coolant already in the system, whatever its colour.

Base oil
Ethylene glycol with hybrid inhibitor package
Pack sizes
1 US gal · 5 US gal · 55 US gal

Specifications

ASTM D3306Mixes with all coolant coloursSuitable for hybrid and EV thermal loops

Features & benefits

  • Long-life inhibitor package for extended service intervals
  • Protects against rust, corrosion and scale build-up
  • Guards water pump seals and cooling passages
  • Holds off freeze-up and boil-over at temperature extremes
  • Keeps heat transfer efficient across the radiator core
  • Compatible with petrol, diesel, hybrid and EV cooling circuits

Typical properties

Form
Concentrate
Colour
Gold
Dilution
50 / 50 with water
Freeze point (50/50)
−34 °F (−37 °C)
Boil point (50/50)
265 °F (129 °C)
Pack
1 US gal

Concentrate, extended life

Heavy Duty Extended Life Red Antifreeze / Coolant

BC-AF-HDRED
LUBECH heavy duty extended life red antifreeze coolant one gallon jug

Extended-life red concentrate for on-highway trucks, buses and off-road plant. Organic acid chemistry protects wet-sleeve liners against pitting and holds inhibitor strength far longer than conventional coolant.

Base oil
Ethylene glycol with organic acid (OAT) inhibitors
Pack sizes
1 US gal · 5 US gal · 55 US gal

Specifications

ASTM D3306 · ASTM D6210Caterpillar EC-1 · Cummins · Detroit DieselFord WSS-M97B51 · GM 1825M / 1899M · Chrysler MS-7170John Deere · Komatsu · Navistar · TMC RP-329

Features & benefits

  • Extended drain interval for heavy duty diesel service
  • Protects wet sleeve liners against cavitation pitting
  • Blocks rust, corrosion, scale and sludge formation
  • Resists freeze-up and boil-over under sustained load
  • Meets a broad list of OEM heavy duty coolant specifications
  • Nitrite-free chemistry with no supplemental additive top-ups

Typical properties

Form
Concentrate
Colour
Red
Technology
Organic acid (OAT)
Service life
Up to 5 yr / 250,000 mi
Dilution
50 / 50 with water
Pack
1 US gal

Common questions

Coolants, Brake & Maintenance Fluids FAQ

Can universal antifreeze be mixed with existing coolant?

Universal concentrate is designed to be compatible with common coolant technologies, but the best practice is always a full flush and refill with a single product.

How often should brake fluid be replaced?

Brake fluid is hygroscopic, so most manufacturers specify replacement every two years regardless of distance travelled.

What is DEF and does my vehicle need it?

Diesel Exhaust Fluid (DEF) is a urea-based fluid injected into the exhaust of modern diesel vehicles with Selective Catalytic Reduction (SCR) systems to cut NOx emissions. Bohr Chemical DEF is API certified and meets ISO 22241 purity standards, protecting the SCR catalyst and injector. It is available in 2.5 gallon jugs and bulk formats.

Talk to a lubrication engineer, not a call center

Send your equipment list and duty cycle. We will come back with a specification-matched recommendation and the data sheets to support it.