300L/min 4×4 Tire Inflator Dual Cylinder 12V 150PSI
300L/min dual cylinder tire inflator for 4×4 trucks and off-road vehicles. 12V DC metal air compressor, 150PSI maximum pressure, preset digital display, auto-stop. Compatible replacement, wholesale supply.
$33.00
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Fitment verification
Fitment is confirmed against the number on the old unit. Send us the code plate and VIN and we verify it before you pay.
| Model | 300L-MIN 4×4 (dual-cylinder tyre inflator) |
| Airflow rating | 300 L/min |
| Maximum pressure | 150 PSI / 10.3 bar |
| Voltage class | 12V DC via fused battery clamps |
| Applications | 4×4 / off-road / SUV / pickup / van tyres |
| Also inflates | Bicycle tubes, balls and air mattresses via adapters |
How we label data. Confirmed values are read from supplied stock and published supplier data; reference values are published marketplace specifications and are shown for identification only; anything not published is withheld rather than guessed.
What this 300 L/min dual-cylinder 4×4 tire inflator does
Start with the function, then move to the numbers that matter.
Airing down for traction then needing to air back up is the exact job this off-road tire inflator was made for. The 300L/min air compressor uses twin cylinders to deliver a strong, steady column of air, and the all-metal, vibration-damped body is a genuine metal air compressor rather than a plastic toy — the sort of portable 4×4 air compressor that survives being thrown in a recovery kit.
As a 150PSI tire inflator it covers the range 4×4 and light-truck owners actually use, from 15 PSI trail pressures back up to road pressure. It is a 12V tire compressor powered through fused battery clamps, so the full output of this fast inflating air compressor is on tap without the cigarette-lighter fuse that cripples smaller pumps.
In the kit this dual cylinder tire inflator doubles as a general truck tire inflator and heavy duty air pump: a coiled hose, quick-coupler and three adapters let it handle tyres, bike tubes and inflatables. The preset tire inflator with digital display and auto-stop keeps repeat pressures accurate. For wholesalers it is a compact car tire pump line that sells to off-road, fleet and motorsport buyers alike.
If you arrived here looking for “12v portable air compressor”, “best portable tire inflator for trucks”, you are in the right place: 300L-MIN-4X4 is stocked as a replacement 300 L/min dual-cylinder 4×4 tire inflator for 4×4 trucks, off-road SUVs, pickups and vans (12V DC).
Related searches including “portable air compressor for off roading”, “12v heavy duty portable air compressor” all describe the same replacement job, so they are covered by the details below for a 300 L/min dual-cylinder 4×4 tire inflator for 4×4 trucks, off-road SUVs, pickups and vans (12V DC).
Related searches including “heavy duty portable air compressor 12v” all describe the same replacement job, so they are covered by the details below for a 300 L/min dual-cylinder 4×4 tire inflator for 4×4 trucks, off-road SUVs, pickups and vans (12V DC).

Common searches for this part
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Technical specifications
The values a workshop checks. Confirmed items are read from supplied stock.
| Model | 300L-MIN (dual-cylinder 4×4 tyre inflator) |
| Airflow | 300 L/min |
| Maximum pressure | 150 PSI (10.3 bar / 1034 kPa) |
| Cylinders | Double cylinder, direct drive, cast metal |
| Power supply | 12V DC |
| Connection | Fused battery alligator clamps |
| Display | Preset digital, automatic shut-off |
| Hose | High-pressure coil hose with quick-coupler |
| Adapters | 3 nozzle adapters included |
| Condition | New |
Reference / cross-reference numbers are published listings and are shown for identification only; they are not claims of origin or authorization.
Cross references
Published numbers that point to the same part, shown for identification only.
- 300L-MIN — Also inflates: Bicycle tubes, balls and air mattresses via adapters — match this against your vehicle before ordering.
- 300 L/min class — Common dual-cylinder 150 PSI 4×4 specification band
- 2 x 60 mm cylinders — Confirmed on our own stock: Cylinders is Double cylinder, direct drive, cast metal.
- 400 L/min class — Higher-output 4-cylinder sibling band for the largest tyres
- 150 PSI / 10.3 bar — Airflow rating: 300 L/min — match this against your vehicle before ordering.
Why buyers choose this unit
Why trade buyers keep this unit on their order list.
- Twin-cylinder, direct-drive head rated at 300 L/min airflow.
- All-metal cylinder and body with an anti-vibration rubber base.
- 150 PSI maximum pressure for 4×4, SUV and light-truck tyres.
- 12V DC battery-clamp power — no cigarette-socket fuse to blow.
- Preset digital display with automatic shut-off at target pressure.
- Coiled high-pressure hose, quick-coupler and three nozzle adapters.
- Folded steel carry handle and compact footprint for recovery kits.
- Suits 4×4, off-road, overland, van and fleet applications.
When it fails
What it looks and sounds like when this component is failing.
- Confirmed on our own stock: Model is 300L-MIN (dual-cylinder 4×4 tyre inflator).
- Cylinders for this unit: Double cylinder, direct drive, cast metal — check it against the number stamped on your old part.
- Connection for this unit: Fused battery alligator clamps — check it against the number stamped on your old part.
- Confirmed on our own stock: Hose is High-pressure coil hose with quick-coupler.
- Confirmed on our own stock: Condition is New.
Installation notes
Workshop guidance. Confirm the number on the unit before fitting.
- 1Park safely on level ground, let tyres cool and check the placard pressure.
- 2Connect to a 12V DC battery only, engine running for high-draw use.
- 3Clip the red clamp to positive and black to negative, then confirm a fault-free start.
- 4Set the target on the preset digital display and begin inflation.
- 5Let auto-stop finish, release the quick-coupler, refit the valve cap and stow.

Warranty & support
Wholesale & bulk supply
Pricing is handled on the store product page; this page is the identification and fitment reference. Minimum order 4 pcs.

Packaging & shipping
Reviews
Frequently asked
The questions buyers and workshops ask before ordering.
Does 300L-MIN-4X4 ship with High-pressure coil hose with quick-coupler?
Will it run on a 24V vehicle?
Does 300L-MIN-4X4 cover 300L-MIN 4×4 (dual-cylinder tyre inflator)?
Is it suitable for airing up after off-road driving?
Does 300L-MIN-4X4 cover 150 PSI / 10.3 bar?
Will “portable tire air compressor 12v” match 300L-MIN-4X4?
Will “how to use portable tire inflator” match 300L-MIN-4X4?
Related categories
Other parts buyers of this unit often need.
- 4×4 tyre deflators
- Tyre repair / plug kits
- Maximum pressure is recorded as 150 PSI for this reference.
- Battery-clamp extension leads
- Off-road recovery bags
- Airflow for this unit: 300 L/min — check it against the number stamped on your old part.
Support & contact
Confirm the number before you order — we verify every enquiry in writing.


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