Best Boost Gauge Tubing (2026): 5 Kits Compared

A boost gauge that reads late or not at all usually has a plumbing problem, not a gauge problem: the line between the engine and the gauge is kinked, split or the wrong size. Copper holds its shape and nylon bends around tight corners, and both need the right fittings to seal. This guide to the best boost gauge tubing compares the kits by material, length, fittings and what each listing states about pressure, so you can match the tube to your gauge.

GarageToolHQ earns a commission when you buy through links on this page, at no extra cost to you. Read our affiliate disclosure.

Picks for the garage

#	Product	Shop Score	Buy
1	72'' Oil Pressure Gauge Tubing Kit	9.7/10	Buy on Amazon
2	72'' Oil Pressure Gauge Tubing Kit	9.6/10	Buy on Amazon
3	BOSCH SP0F000006 Nylon Tubing Kit for Gauges	9.6/10	Buy on Amazon
4	Auto Meter 3223 Nylon Tubing	9.5/10	Buy on Amazon
5	Auto Meter 3222 Nylon Tubing	9.4/10	Buy on Amazon

1

72'' Oil Pressure Gauge Tubing Kit

Ebrmeiwo·9.7/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 72 in purple copper tube kit with 1/8 and 1/4 in NPT fittings for mechanical pressure and boost gauges, with a 30 day warranty.

Check price on Amazon

Pros

• Works with mechanical pressure and boost gauges
• 72 in of purple copper tube, 6 ft long
• 1/8 and 1/4 in NPT fittings included
• 30 day warranty stated

Cons

• Not for fuel gauges
• No pressure figure stated in PSI
• No weight stated in the listing
• No nylon option in the kit

2

72'' Oil Pressure Gauge Tubing Kit

YullSorom·9.6/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A 72 in purple copper tube kit with brass fittings for mechanical pressure and boost gauges, at 0.220462262 lb.

Check price on Amazon

Pros

• Works with mechanical pressure and boost gauges
• Brass fittings for corrosion resistance
• 72 in of tube, 1.82 meters stated
• Copper tube more durable than plastic pipes, per the listing

Cons

• Lists 9 items but names a tube and 7 thread kits, which add to 8
• No warranty term stated
• Not for fuel, nitrous or brake pressure gauges
• No pressure figure stated in PSI

3

BOSCH SP0F000006 Nylon Tubing Kit for Gauges

Bosch·9.6/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

A Bosch nylon tubing kit for mechanical pressure or boost gauges, 6 feet long, with 1/8 and 1/4 in NPT fittings.

Check price on Amazon

Pros

• States use with mechanical pressure or boost gauges
• 1/8 in NPT gauge fitting and 1/8 and 1/4 in NPT engine fittings
• Metric adapter kit SP0F000009 offered for metric needs
• 3 piece set from Bosch

Cons

• No warranty term stated
• No pressure figure stated in PSI
• No diameter stated in the listing
• No weight stated in the listing

4

Auto Meter 3223 Nylon Tubing

AUTO METER·9.5/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

Auto Meter nylon tubing, 1/8 in diameter and 6 feet long, for mechanical pressure gauges up to 200 PSI, with ferrules and fittings.

Check price on Amazon

Pros

• Rated for mechanical pressure gauges up to 200 PSI
• 1/8 in diameter and 6 feet in length stated
• Comes with ferrules and fittings
• Engineered for leak-free connections, per the listing

Cons

• Boost gauge use is not stated, only mechanical pressure gauges
• Not for fuel pressure gauges
• Warranty description states only the word Warranty, with no term
• No engine fitting sizes stated

5

Auto Meter 3222 Nylon Tubing

AUTO METER·9.4/10 Shop Score

i

The Shop Score runs from 9.2 to 9.8 and weighs performance (35%), build (25%), value (25%), safety (10%, where it applies) and warranty (5%), using only what the manufacturer and the listing publish. How we pick ›

Auto Meter nylon tubing for mechanical pressure gauges up to 200 PSI, with no length, diameter or fittings stated in the listing.

Check price on Amazon

Pros

• Rated for mechanical pressure gauges up to 200 PSI
• Lowest weight here at 0.0440924524 lb
• Compact package, 8.0 by 6.0 by 1.0 inches
• Same 200 PSI rating as the Auto Meter 3223

Cons

• No length stated in the listing
• No diameter or fittings stated
• Boost gauge use is not stated
• Warranty description states only the word Warranty, with no term

Compared on paper

Specs such as CFM, PSI and torque are the manufacturer’s ratings as listed, collected 11 November 2026. Only the Ebrmeiwo listing states a warranty term, and none of the listings states an electrical listing, so safety scores zero across the picks.

How the points were given

Each kit is scored on performance, build, value, safety and warranty, using only what the listing publishes. The weights are on our How We Pick page.

Shop Scores range from a low of 9.2 to a high of 9.8, with each tool positioned by its weighted points proportionally, and more points always yields a higher score. Safety is scored for corded, cordless and air tools and for listings that state safety features; hand tools without either are scored on 90 points.

What the listings tell you

Both copper kits state 72 in of tube with 1/8 and 1/4 in NPT fittings for mechanical pressure and boost gauges. The Bosch nylon kit states 6 feet of tube with the same fittings for mechanical pressure or boost gauges. The Auto Meter nylon tubes state use with mechanical pressure gauges up to 200 PSI, and only the 3223 states a diameter and length, at 1/8 in and 6 feet.

Buying guide: choosing the best boost gauge tubing

Copper or nylon

The Bosch and Auto Meter kits use nylon tubing, while the Ebrmeiwo and YullSorom kits use purple copper tube. The Ebrmeiwo listing states the copper has good toughness and ductility, resists heat and pressure, and bends easier than ordinary metal. The YullSorom listing says its copper tube is more durable than plastic pipes.

Length and fittings

Both copper kits give 72 in of tube, or 6 ft, with 1/8 and 1/4 in NPT fittings. The Bosch nylon tube measures 6 feet, with a 1/8 in NPT gauge fitting and 1/8 and 1/4 in NPT engine fittings. The Auto Meter 3223 gives 1/8 in diameter and 6 feet in length with ferrules and fittings, while the Auto Meter 3222 states no length or fittings. If metric is needed, the Bosch listing points to adapter kit SP0F000009.

Pressure rating

The Auto Meter tubes state use with mechanical pressure gauges up to 200 PSI, while the copper kits state resistance to heat and pressure with no PSI figure. The Bosch listing states no pressure figure either. Do not use these tubes for fuel gauges: the Ebrmeiwo listing states not for fuel gauges, the YullSorom listing excludes fuel, nitrous and brake pressure gauges, and the Auto Meter 3223 excludes fuel pressure gauges.

What to check before you buy

Both copper listings say to check the size before buying. Count the parts when the box arrives: the Ebrmeiwo kit includes 8 items and the YullSorom kit lists 9 items but names a tube and 7 thread kits. The Auto Meter 3222 states no length, diameter or fittings, so it suits a buyer who already knows those figures.

Warranty

Only the Ebrmeiwo listing states a warranty term, at 30 days. The Auto Meter listings give a warranty description that reads only Warranty, with no term, and the other listings state no warranty term.

Garage Fit Check

• Both copper kits give 72 in of tube, so measure the run from the engine to the gauge before you order.
• Check the fittings: the kits with stated fittings use 1/8 and 1/4 in NPT, and the Bosch kit offers a metric adapter, SP0F000009.
• The Auto Meter 3222 states no length or fittings, so check the listing before you buy it for a boost gauge.
• Do not use these tubes for fuel gauges, per the listings: the Ebrmeiwo, YullSorom and Auto Meter 3223 listings all state that limit.
• The Ebrmeiwo kit includes 8 items and the YullSorom kit lists 9, so count the parts when the box arrives.

FAQ: garage tools

Can I use copper tubing for a boost gauge?

Yes, per the listings: both copper kits state they work with mechanical pressure and boost gauges, with 1/8 and 1/4 in NPT fittings.

How long is boost gauge tubing?

The copper kits state 72 in, or 6 ft, and the Bosch and Auto Meter 3223 nylon tubes state 6 feet. The Auto Meter 3222 states no length.

What fittings do I need for a boost gauge?

The copper kits and the Bosch kit use 1/8 and 1/4 in NPT fittings. The Auto Meter 3223 comes with ferrules and fittings, and the Bosch kit offers a metric adapter, SP0F000009.

What pressure can nylon gauge tubing handle?

The Auto Meter 3222 and 3223 listings state use with mechanical pressure gauges up to 200 PSI. The Bosch listing states no pressure figure.

Can boost gauge tubing be used for a fuel gauge?

No, per the listings: the Ebrmeiwo listing states not for fuel gauges, the YullSorom listing excludes fuel, nitrous and brake pressure gauges, and the Auto Meter 3223 excludes fuel pressure gauges.

Related: the best vacuum gauges with mount, the best air fuel ratio gauges, the best air chuck inflators with pressure gauge and our diagnostics and electrical hub. Also see the automotive wire gauge chart, tire pressure gauge how to use, the best tools for measuring diameter and the heat shrink tubing size.