Want reliable carburetor diaphragms that fit well, last, and restore throttle feel? Choose full rebuild kits and OEM-match metering parts for the best results. Look for Viton material for ethanol resistance, correct part numbers, and included hardware to simplify installation.
I’ll highlight top kits—Kawasaki six-pack for FE290/FE350, ANTO and ZAMA multi-diaphragm sets with metering tools, ApplianPar and C·T·S multi-packs, Holley 4150/4160 accelerator and vacuum diaphragms, and ZAMA WA/WT/WY kits with fuel lines.
| Carburetor Rebuild Diaphragm Gasket Kit for Kawasaki |
| Best For Kawasaki | Compatibility (carburetor or engine models): Kawasaki FE290 / FE350 engines; compatible with carburetor parts 1016438–1016441 | Part type: Diaphragm gasket kit (metering diaphragm kit) | Pack quantity / pieces included: 6 kits (12 pieces total) | VIEW LATEST PRICE | Read Our Analysis |
| ANTO Metering Diaphragm Assembly for ZAMA Carburetors |
| Complete Metering Kit | Compatibility (carburetor or engine models): Walbro WA/WT/WY/WZ series; Zama C1M/C1U/C1/C1S families (many submodels listed) | Part type: Metering diaphragm assembly (metering diaphragms) | Pack quantity / pieces included: 30 diaphragms (10×95-526, 10×A015019, 10×A015006) + 1 metering tool kit | VIEW LATEST PRICE | Read Our Analysis |
| ApplianPar Carburetor Diaphragm Gasket Assembly (Pack 20) |
| Bulk Replacement Pack | Compatibility (carburetor or engine models): Zama C1M-EL35, C1M-FR1, C1M-W26 series, C1U-K39A, C1Q-K73 (replacement A015019) | Part type: Metering diaphragm gasket assembly (A015019) | Pack quantity / pieces included: Pack of 20 metering diaphragms | VIEW LATEST PRICE | Read Our Analysis |
| Carburetor Accelerator Pump Diaphragm for Holley 4150/4160 |
| Holley-Specific Fit | Compatibility (carburetor or engine models): Holley 4150 / 4160 carburetors | Part type: Accelerator pump diaphragm | Pack quantity / pieces included: 2 diaphragms (2 × 30cc) | VIEW LATEST PRICE | Read Our Analysis |
| Carburetor Metering Diaphragm & Gasket Pack (12) |
| Value Pack | Compatibility (carburetor or engine models): Walbro WA/WT/WTA/WYJ/WYK/WYL/WYMP/WZ series (replaces Walbro 95-526, 92-251) | Part type: Metering diaphragm and gasket | Pack quantity / pieces included: Pack of 12 diaphragms and gaskets | VIEW LATEST PRICE | Read Our Analysis |
| ZAMA Carburetor Metering Diaphragm Assembly (WA/WT/WY) |
| Pro Repair Kit | Compatibility (carburetor or engine models): Walbro WA/WT/WY/WZ series; Zama C1M/C1U/C1/C1S families (many submodels listed) | Part type: Metering diaphragm assembly (A015006 / A015019 / 95-526) | Pack quantity / pieces included: 30 diaphragms (10×95-526, 10×A015019, 10×A015006) + 1 tool kit + 4 fuel lines | VIEW LATEST PRICE | Read Our Analysis |
| Vacuum Secondary Pump Diaphragm Replacement for Carburetors |
| Vacuum System Fix | Compatibility (carburetor or engine models): Vacuum-secondary systems for 390 / 600 / 750 CFM carburetors (specific model examples listed) | Part type: Vacuum secondary pump diaphragm | Pack quantity / pieces included: 1 vacuum secondary diaphragm (includes check ball and auxiliary throttle plate) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Carburetor Rebuild Diaphragm Gasket Kit for Kawasaki
In case you need a reliable rebuild kit for Kawasaki FE290 or FE350 engines, this six-pack diaphragm gasket kit is made for you and small fleets that want to save time and money. You’ll get six diaphragm gasket kits, 12 pieces total, so you can fix multiple carburetors without hunting parts. It fits Kawasaki FE290 and FE350 engines and matches part numbers 1016438, 1016439, 1016440, 1016441. You can use it on golf carts like Club Car DS and Precedent, turf machines, Carryall, and industrial carts. You’ll feel confident because it’s practical, affordable, and fleet-friendly.
- Compatibility (carburetor or engine models):Kawasaki FE290 / FE350 engines; compatible with carburetor parts 1016438–1016441
- Part type:Diaphragm gasket kit (metering diaphragm kit)
- Pack quantity / pieces included:6 kits (12 pieces total)
- Intended application (repair / replacement):Carburetor rebuild / diaphragm replacement for Kawasaki engines
- Manufacturer / brand:(not explicitly branded; described as diaphragm gasket kit for Kawasaki)
- Included installation or service items (tools / extra parts):Diaphragm gasket kits only (no tools)
- Additional Feature:Six diaphragm kits
- Additional Feature:Fits golf/industrial carts
- Additional Feature:Total pieces: 12
ANTO Metering Diaphragm Assembly for ZAMA Carburetors
You’ll appreciate the ANTO Metering Diaphragm Assembly whenever you need a reliable, ready-to-use kit that fits a wide range of Zama and Walbro carburetors and saves you time on repairs. You get three diaphragm types and ten of each, plus the ZT-1 meter tool kit so you can adjust metering levers without hunting parts. It fits many WA WT WY WZ series and Zama C1M C1U C1 families, so compatibility is simple. The package is compact and light. Reviews average 4.3 of 5, and a warranty is offered. You’ll feel confident replacing worn diaphragms quickly and correctly.
- Compatibility (carburetor or engine models):Walbro WA/WT/WY/WZ series; Zama C1M/C1U/C1/C1S families (many submodels listed)
- Part type:Metering diaphragm assembly (metering diaphragms)
- Pack quantity / pieces included:30 diaphragms (10×95-526, 10×A015019, 10×A015006) + 1 metering tool kit
- Intended application (repair / replacement):Carburetor metering diaphragm replacement and metering adjustment (Zama/Walbro)
- Manufacturer / brand:ANTO
- Included installation or service items (tools / extra parts):Includes ZT-1 (500-13-1) carburetor metering tool kit
- Additional Feature:Includes ZT-1 metering tool
- Additional Feature:Multi-model Walbro/Zama set
- Additional Feature:Pack large quantity (30)
ApplianPar Carburetor Diaphragm Gasket Assembly (Pack 20)
Should you want a reliable, budget-friendly option for rebuilding small ZAMA-style carburetors, the ApplianPar Carburetor Diaphragm Gasket Assembly (Pack 20) fits the bill and gives you parts for multiple repairs. You’ll get twenty metering diaphragm assemblies that replace A015019 and fit many ZAMA models like C1M-W26 variants and C1M-FR1 types. You’ll appreciate the light weight and compact packaging for storage. You can buy with confidence since Amazon offers a 30-day return and seller warranty links are available. Reviews sit high at 4.6 out of 5, so many buyers felt satisfied and relieved after fitting them.
- Compatibility (carburetor or engine models):Zama C1M-EL35, C1M-FR1, C1M-W26 series, C1U-K39A, C1Q-K73 (replacement A015019)
- Part type:Metering diaphragm gasket assembly (A015019)
- Pack quantity / pieces included:Pack of 20 metering diaphragms
- Intended application (repair / replacement):Replacement metering diaphragm for Zama carburetors
- Manufacturer / brand:ApplianPar
- Included installation or service items (tools / extra parts):Metering diaphragms only (no tools)
- Additional Feature:Replaces A015019
- Additional Feature:Pack of 20
- Additional Feature:Compact package dimensions
Carburetor Accelerator Pump Diaphragm for Holley 4150/4160
In case you want reliable throttle response anytime you mash the gas, this 30cc accelerator pump diaphragm kit for Holley 4150 and 4160 carburetors is a smart pick because it replaces worn parts with exact-fit, durable rubber pieces that stand up to heat and pressure. You’ll get two 30cc diaphragms that match OEM numbers 135-5 and fit 135-12 too. They swap in quickly, give a snug fit, and keep your 4150 metering steady so the engine won’t stumble. Built to spec, they resist combustion heat and pressure changes. You’ll save time on maintenance and drive with confidence.
- Compatibility (carburetor or engine models):Holley 4150 / 4160 carburetors
- Part type:Accelerator pump diaphragm
- Pack quantity / pieces included:2 diaphragms (2 × 30cc)
- Intended application (repair / replacement):Replacement accelerator pump diaphragm for Holley carburetors
- Manufacturer / brand:(no brand specified; generic replacement for Holley 135-series)
- Included installation or service items (tools / extra parts):Diaphragms only (2 × 30cc pump diaphragms)
- Additional Feature:30cc pump capacity
- Additional Feature:Two-piece kit
- Additional Feature:Made from durable rubber
Carburetor Metering Diaphragm & Gasket Pack (12)
Provided you want a dependable, budget-friendly way to keep older Walbro carburetors running, this Carburetor Metering Diaphragm and Gasket Pack is a smart pick that fits a wide range of models and gives you plenty of spares. You’ll get twelve high-quality diaphragms and gaskets that replace Walbro 95-526 and 92-251 and fit WA, WT, WTA, WYJ, WYK, WYL, WYMP, and WZ carburetors. The parts are light and compact, from brand C·T·S, and arrive ready to swap in during routine rebuilds. Check the product images for exact fit before ordering. Seller support and a 30-day return option give you extra peace of mind.
- Compatibility (carburetor or engine models):Walbro WA/WT/WTA/WYJ/WYK/WYL/WYMP/WZ series (replaces Walbro 95-526, 92-251)
- Part type:Metering diaphragm and gasket
- Pack quantity / pieces included:Pack of 12 diaphragms and gaskets
- Intended application (repair / replacement):Replacement metering diaphragm & gasket for Walbro carburetors
- Manufacturer / brand:C·T·S
- Included installation or service items (tools / extra parts):Diaphragms and gaskets only (12-pack)
- Additional Feature:Replaces Walbro 95-526/92-251
- Additional Feature:Pack of 12 diaphragms/gaskets
- Additional Feature:Low item weight (0.704 oz)
ZAMA Carburetor Metering Diaphragm Assembly (WA/WT/WY)
Should you work on small engines or maintain lawn gear and want a reliable, ready-to-fit kit, this Zama metering diaphragm assembly is built for technicians and DIYers who need parts that just work. You get lots of diaphragms for WA WT WY and WZ carburetors so you never run out during a repair. The kit includes A015006 A015019 and 95-526 variants plus a ZT-1 500-13-1 metering tool and four two-foot fuel lines. Lines come in multiple I D sizes but avoid fuels over 10% ethanol. Check compatible C1 series submodels and verify ethanol content before use.
- Compatibility (carburetor or engine models):Walbro WA/WT/WY/WZ series; Zama C1M/C1U/C1/C1S families (many submodels listed)
- Part type:Metering diaphragm assembly (A015006 / A015019 / 95-526)
- Pack quantity / pieces included:30 diaphragms (10×95-526, 10×A015019, 10×A015006) + 1 tool kit + 4 fuel lines
- Intended application (repair / replacement):Carburetor metering diaphragm replacement and fuel-line refresh for Zama/Walbro
- Manufacturer / brand:ANTO
- Included installation or service items (tools / extra parts):Includes ZT-1 (500-13-1) metering tool kit and 4 fuel line hoses
- Additional Feature:Includes fuel line set
- Additional Feature:Not for >10% ethanol
- Additional Feature:Includes ZT-1 metering tool
Vacuum Secondary Pump Diaphragm Replacement for Carburetors
You’ll appreciate this diaphragm provided you’re rebuilding a vacuum secondary carburetor and want a reliable, direct-fit replacement that restores proper operation. You’ll get the 135-11 vacuum secondary pump diaphragm, compatible with 390, 600, and 750 CFM carburetors and specific models like 1841849, 3310, 6619, 80463, and more. It includes one diaphragm, a check ball, and an auxiliary throttle plate, with a rod length of 2.054”. Replacement numbers 135-2 and 135-4 offer alternatives. Before you install, confirm your carburetor model. Use it during rebuilds to restore regulator accuracy and make certain the vacuum secondary system functions properly.
- Compatibility (carburetor or engine models):Vacuum-secondary systems for 390 / 600 / 750 CFM carburetors (specific model examples listed)
- Part type:Vacuum secondary pump diaphragm
- Pack quantity / pieces included:1 vacuum secondary diaphragm (includes check ball and auxiliary throttle plate)
- Intended application (repair / replacement):Replacement vacuum-secondary diaphragm to restore regulator/secondary function
- Manufacturer / brand:(no brand specified; listed as 135-11 replacement)
- Included installation or service items (tools / extra parts):Includes diaphragm check ball and auxiliary throttle plate (no separate tool)
- Additional Feature:Includes check ball & plate
- Additional Feature:Rod length 2.054″
- Additional Feature:Suits multiple CFM sizes
Factors to Consider When Choosing Car Carburetor Diaphragms
Whenever you’re picking a carburetor diaphragm, start checking material compatibility and thickness so the part will handle your engine’s chemicals and pressure. Also make sure fitment and size match the OEM part number and confirm fuel type resistance so you won’t get leaks or breakdowns. These points tie together because a correct size and material work with the right thickness and resistance to keep your carburetor reliable.
Material Compatibility
Because the diaphragm sits between fuel and moving parts, pick the right material so your carburetor stays reliable and leak free. You’ll choose between nitrile Buna-N, Viton FKM, and silicone based on the fuels and solvents you use. Nitrile handles gasoline and oil well. Viton resists ethanol blends and harsh additives better. Silicone stays flexible in cold weather but gives less fuel resistance. Check temperature ratings so the diaphragm won’t harden or melt in your climate. Confirm chemical compatibility with modern fuels because parts rated for up to 10% ethanol might fail with higher blends. Consider durometer too. A too stiff diaphragm hurts metering response. Too soft one tears prematurely. Also look at permeation, ozone, and UV resistance to avoid leaks and aging.
Diaphragm Thickness
Should you want your carb to stay predictable and responsive, diaphragm thickness matters a lot. You’ll find thicker diaphragms last longer and resist tearing whenever the part flexes often. That gives you peace of mind in heavy use. At the same time, thinner diaphragms react faster to pressure changes and boost metering sensitivity, so your engine feels sharper off the line. Note that material and thickness work together. A stiff elastomer that’s thick can feel sluggish, while a flexible thin compound can feel lively. Typical sizes run about 0.3 mm to 1.0 mm, with metering parts thinner and pump parts thicker. When you replace a diaphragm, match the original thickness within tolerances so fuel flow and throttle response stay as engineered.
Fitment And Size
Should you want your carburetor to run reliably, fitment and size have to be exact, and that’s something you can check before you buy. You’ll initially confirm the diaphragm matches the exact carburetor model or part number so hole pattern and mounting align. Next, check outer diameter and any stepped or beveled edges against the cover and body so the diaphragm seals evenly without puckering. Also verify center and auxiliary hole positions, diameters, and spacing so fuel and vent passages stay clear and metering works. Measure thickness and feel the flexibility because a stiff or thin diaphragm will change valve and needle response. Finally make certain attached gaskets or multi-piece assemblies match flange dimensions and bolt pattern for proper compression and no leaks.
Fuel Type Resistance
You’ve already checked fit and size, which keeps parts sealing and moving right, and now you’ll want to match the diaphragm material to the fuel you plan to run. Think about chemical compatibility first. Viton resists most gasoline, aromatics, and additives better than neoprene or nitrile, so it’s a safe choice for mixed fuels. If you use ethanol blends like E10 or E15, pick materials rated for that ethanol level because nitrile or natural rubber can swell or crack. For methanol or very high alcohol content, use specially formulated elastomers made for strong solvents. Also consider cleaners, oxygenates, and high temps, since heat speeds chemical attack. Choose diaphragms specified for aromatics and alcohols to prevent loss of elasticity and premature failure.
OEM Part Numbers
At the point you need a replacement diaphragm, start with matching the OEM part number from your engine or carburetor service manual so you don’t guess and end up with a part that fits poorly or changes fuel flow. You’ll see that OEM numbers tell you thickness, material, and exact dimensions. So use that number to confirm fit for your carburetor model and any variant codes. Whenever a number is superseded, check official parts docs to verify specs match. Record the original OEM number and any replacement reference in your service notes. That habit keeps future orders simple and prevents surprises. It also helps you explain needs to suppliers and feel confident the diaphragm will perform as intended.
Kit Completeness
Matching the OEM number helps you pick the right diaphragm, and now you’ll want to check what comes in the kit so the repair goes smoothly. You should confirm the kit has every diaphragm and matching gasket for metering, accelerator, and vacuum systems so you don’t stop mid-rebuild. Also check quantities; packs of 2, 6, 10, 12, or 20 matter whether you have multiple carburetors or future projects. Look for small parts like check balls, pump plates, and mounting hardware so sealing and function are correct. Good kits include fuel-line or sealing components and notes on fuel compatibility like higher ethanol limits. Helpful labels and any metering tools make correct assembly and calibration easier.
Installation Ease
Getting the diaphragm in without hassle makes the whole repair feel easier and less stressful, so start checking fit and parts prior to you open the carburetor. You want a direct fit for your carburetor model and part number. That way you avoid trimming or awkward mods that waste time. Also pick diaphragms that match original material thickness and mounting hole patterns so they seat evenly and do not need shims or gasket compound. Check the kit for gaskets, screws, and small parts so you finish in one session. Favor parts that need no special tools or metering steps because those installs go smoother and cut errors. Finally, clear orientation marks and plain fitting instructions will stop reverse installs and engine issues.
Longevity And Durability
You’ve just finished reflecting about fit and easy installation, so now let’s look at how long that new diaphragm will actually last in your car. Choose material initially. Viton and silicone resist heat and ethanol better than nitrile, so they often last longer in hot engines or with ethanol blends. Next, check thickness and reinforcement. Multi-layered or fabric-reinforced diaphragms resist stretching and tearing during repeated pump strokes. Also consider where the part sits. Should it sit near exhaust heat, expect faster aging and plan replacements sooner. Match the diaphragm to your fuel type to avoid swelling or cracking from ethanol. Finally, watch mechanical stresses. Frequent throttle changes, heavy vacuum cycles, and pinched or misaligned installation cause premature failure, so handle parts gently and install carefully.
