Solary SD301E Automotive Smoke Leak Detector, 12V

Solary SD301E is a 12V automotive smoke leak detector listed for EVAP, intake, and vacuum diagnostics. Its built-in air pump and included smoke fluid are intended to let DIY users trace leaks without a separate air compressor.

At a glance

Built-in air pump is claimed to remove the need for an external compressor or separate air supply.
Visible smoke is intended to help trace leaks in EVAP, intake, vacuum, and hose connections.
The listing describes a three-step process: add fluid, connect 12V power, then inspect for smoke.

Price

$59.99Save 25%

Reference price: ~~$79.99~~

Price checked: Nov 14, 2026

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Often bought together

AutoLine Pro Automotive Best Ranked Clean & High-Density Smoke Fluid Solution for Smoke Machines (EVAP, Vacuum, and More) [Not for Ventus]

$15.98

Pros and cons

Pros

The integrated pump and 12V vehicle power simplify setup for garage diagnostics.
The listing claims 100ml of smoke fluid is included, with 10–20ml needed per use.
The claimed 19–23 PSI output is specified for smoke testing.

Technical specifications

14 specifications

Identity
Brand	Solary
Model	evap vacuum leak detector
Item model number	SD301E
Manufacturer part number	S-US-SD301E-YE

Power and operation
Voltage	12 volts
Claimed smoke output time	10s
Claimed output pressure	19–23 PSI
Claimed leak sensitivity	0.1mm
Claimed operating temperature range	-20°C to 75°C

Dimensions and installation
Weight listed	4.24 pounds
Package dimensions	7.87 x 7.68 x 6.65 inches
Claimed product dimensions	5.12 × 4.92 × 6.69 inch

Consumables
Claimed included smoke oil quantity	100ml
Claimed fluid per use	10–20ml

What to know before buying

Listing details to confirm

Listing details are inconsistent: weight is listed as 4.24 pounds and 4.3lb, product dimensions are given as 5.12 × 4.92 × 6.69 inch, while package dimensions are 7.87 x 7.68 x 6.65 inches. The accessory kit is described in feature text, but no explicit box inventory is supplied. Verify dimensions, weight, and the selected listing's included items before purchase.

Who is it for?

A good fit for

DIY vehicle owners tracing suspected EVAP, intake, or vacuum leaks at home.
Buyers who want a smoke tester with its own air pump and 12V vehicle power connection.

Less suited to

Anyone needing independently verified performance or confirmed package contents before purchase.

Solary SD301E Automotive Smoke Leak Detector, 12V · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 26 ratings

5 stars66%66%
4 stars17%17%
3 stars7%7%
2 stars3%3%
1 star7%7%

Aggregate customer ratings lean positive, with most ratings in the five-star category, but lower ratings are also present. Without written feedback, the ratings do not show what buyers liked or disliked. Treat them as a limited indication of reported satisfaction, not confirmation of smoke output, leak sensitivity, or kit contents.

Frequently asked questions

Does the Solary SD301E need an external air compressor?

The listing says it has a built-in air pump and does not need an external compressor or separate air supply.

What vehicle systems is it intended to test?

The listing describes EVAP, intake, and vacuum diagnostics, including tracing smoke through hoses and connections.

What is included in the kit?

Feature text claims 100ml of smoke oil and describes a power cable, hook, delivery hose, and adapter. There is no explicit package inventory in the supplied details, so confirm the selected listing's contents.