Best Grease Guns of 2026: 10 Compared

This 7000 PSI pistol-grip gun pairs a heavy-duty die-cast aluminum body with a 14oz cartridge and a premium 6-jaw coupler upgrade, the combination that puts it at the front of our ten. The kit doesn't stop at the gun: an 18-inch spring hose, two 12-inch hoses, double grease injector needles, and a reinforced glove come along. A one-button air bleed valve clears trapped air, which keeps priming quick.

Running off DeWalt 20V lithium-ion batteries, this cordless gun trades hand-pumping for a motor that tops out at 12,000 PSI with an 8 oz/min flow. A 2-in-1 rotating handle and built-in LED work light help in dark, awkward spots, and the dual loading setup takes standard 14oz cartridges or bulk grease. It lands at number two on the strength of that power and a kit that includes a 39-inch hose and four couplers.

At 3000 PSI, this compact Kretlaw is built for the fittings a full-size body bumps against, and it's the least expensive pick on the list. The set bundles two 3oz grease cartridges, a long extension, a 12-inch flex hose, and three nozzles that cover vehicles, tractors and RVs. A die-cast body, T-handle pull rod, and anti-slip textured handle keep the squeeze controlled despite the small size.

Seesii aimed this 3oz mini at the fittings that defeat bigger guns, like a motorcycle chain, a car suspension joint, or a lawn-mower bearing. It runs 4000 PSI to break loose stubborn fittings and pairs that with an upgraded air bleed valve for clean priming. Dual loading handles either cartridges or bulk grease, and four reinforced couplers ship in the kit, which earns it a solid mid-pack finish.

This DIYtoolifz cordless gun is our premium pick, built for professional-grade work and powered by DeWalt 20V batteries you may already own. A 12,000 PSI high-pressure motor handles heavy-duty equipment, while a 2-in-1 rotating handle and LED work light tackle tight, dark spaces. A dual loading system takes cartridge or bulk grease, and the kit includes a 39.4-inch hose with four couplers. It's the costliest option, which is the trade for that capability.

Seesii's upgraded gun steps pressure up to 8000 PSI to clear clogged fittings, and it carries a 14oz cartridge for fewer reloads. A 3-in-1 coupler set, quick-release, universal, and pointed, plus a 90-degree adapter, flexible hose, and rigid pipe widen what it can reach. A smooth lever action and built-in nozzle clip round it out. It's a capable mid-list option for automotive, agricultural, and industrial use.

The LockNLube's draw is its patented locking grease coupler, which clamps onto the fitting so you're not chasing leaks or popped connections. It pairs a 20-inch heavy-duty hose with an inline swivel for easier angles, a rubber grip and ergonomic handle, and a loop-and-lock storage feature to keep things tidy.

Bravex leans on a chrome-plated canister it credits with five-times anti-corrosion, easy cleaning, and scratch resistance. A 2-way fill design lets the plunger run cartridge or bulk grease, and a high-precision cold-drawn steel tube targets the leakage that comes from canister deformity. Rated 6000 PSI with an 18-inch flex hose, it's a budget-leaning pick that covers the basics without frills.

LANNIU's 14oz pistol-grip kit delivers 8000 PSI for heavy-duty lubrication across automotive, farm, industrial, and marine equipment. An air-venting valve releases trapped air, a 0.53-inch coupler and 90-degree adapter widen reach, and an 18-inch spring flexible hose handles angles. A T-handle gives smooth, controlled pumping with a leak-proof construction. It lands toward the back of the pack but covers the heavy-duty essentials.

Thorstone's 14oz kit is the most accessory-heavy at the back of our list. A reinforced spring pushes air and grease to the top, while a cold-drawn steel canister with a non-slip rubber sleeve and T-handle supports four loading methods including cartridge and bulk. It ships with extra couplers, a locking coupler for no leaking, a sharp-style nozzle, and a regular coupler, plus a flexible shaft for smoother lubrication.