You’re halfway through the yard and smell gasoline. A glance down shows a dark wet patch under the deck. The mower runs rough, maybe stalls. That leaking fuel tank is dangerous, wasteful, and stops you cold. Replacing it isn’t optional — it’s urgent.
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A good replacement tank fits perfectly, resists ethanol-blended fuel, and seals tight for years. OEM parts from Honda are made to the same tolerances as the original. Aftermarket tanks sometimes work, but they can warp or crack sooner. The gamble isn’t worth the headache.
We looked at the Honda 06175-Z8B-800 fuel tank kit. It’s the genuine OEM part for many GCV160, GCV190, and specific HRR, HRS, HRX mowers. This review covers exactly what you get, which models it fits, and one important catch you need to know before ordering.
Honda 06175-Z8B-800 Fuel Tank
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This is the exact replacement fuel tank Honda designed for their GCV160LA, GCV160LA0, GCV160LE, and GCV190LA engines. It also fits a long list of HRC, HRR, HRS, and HRX lawn mowers from the K3 through K8 series generations. If your mower has one of those engines and the matching model number, this tank drops in with no drilling or filing.
The standout feature is the fit. Since it’s a genuine Honda part, the mounting points, fuel line nipple, and cap threads match the original exactly. You won’t wrestle with a gasket that’s slightly off or a tank that sits crooked. The kit includes the tank itself plus any necessary grommets or seals — everything needed to swap the old one out. Buyers who have installed it report a tight, leak-free seal on the first try.
There is one real limitation: compatibility is not universal. Honda lists specific model and type numbers, and this tank does not fit every variant of the engines or mowers mentioned. For example, an HRR216K6 might take it, but an HRR216K8 with a different type code might not. You must verify your mower’s full model, type, and serial number against Honda’s fitment chart before purchasing. The product data includes a warning: “Does not fit all specs of above models listed.” Skip this step and you could end up with a tank that doesn’t bolt up.
- Brand: Honda — genuine OEM part, not aftermarket
- Part number: 06175-Z8B-800 — includes tank and required hardware
- Fits engines: GCV160LA, GCV160LA0, GCV160LE, GCV190LA
- Fits mowers: HRC216K3, HRR216K5-K8, HRS216K3-K4, HRX217K1-K4
- Important: Check model, type, and serial — not all specs are covered
Best for: Owners of the exact Honda mower models listed above who want a guaranteed fit and don’t want to troubleshoot a cheap aftermarket part.
How We Chose These Products
We started with the problem: a failing fuel tank can strand you mid-mow and cost time and money. The right replacement needs to seal properly, hold up against modern ethanol gas, and install without modification. We looked at the one fuel tank part Honda sells directly for these common GCV and GCV-based mowers. Since Honda places unusually strict fitment requirements, we prioritized verifying the compatibility checklist — not just the engine family but the specific model, type, and serial range.
We also considered availability. Genuine Honda parts sometimes go out of stock for weeks. We confirmed that this tank is currently available but flagged it as scarce, meaning you shouldn’t wait if your mower needs it. No third-party suppliers, no universal tanks — just the OEM solution from an authorized dealer. That’s the standard we set: if you’re paying for a genuine part, you should get genuine confidence.
Buying Guide: What Really Matters
Fuel tanks on Honda mowers crack most often around the mounting bolt holes or the filler neck. Heat cycles, vibration, and ethanol in modern gas weaken the plastic over time. An OEM tank is molded from the same resin blend as the original, so it handles these conditions the same way. Aftermarket replacements often use a different plastic that can soften or become brittle faster. The few dollars saved upfront usually gets spent on a second replacement tank a season later.
Fitment is the second big factor. Honda uses multiple tank shapes even within the same engine family. A GCV160 on a push mower uses a different tank than the same engine on a self-propelled model. The part number 06175-Z8B-800 covers a specific set of mower generations — mostly the HRX217 K-series and HRR216 K-series. If your mower is older than a K3 (say a K2 or K1), this tank won’t work. Check your mower’s model tag under the rear flap or on the frame. Write down the three-part code (model, type, serial) and compare it to Honda’s online fitment tool. That five-minute check saves a return shipping fee and downtime.
One more thing: the kit may include gaskets or o-rings, but some installations require a new fuel line clamp or a breather tube. Have those on hand before you drain the old tank. A slow drip after install usually comes from a reused clamp, not the tank itself.
Our Top Recommendation
For the models it fits, the Honda 06175-Z8B-800 fuel tank is the only choice we’d endorse. It eliminates the guesswork of aftermarket fit and the risk of premature failure. If your mower is on the compatibility list — especially a HRR216K6 or HRX217K4 — buy this tank and be done. There’s no runner-up in this category because a leaking fuel tank isn’t something you cheap out on. If your mower doesn’t match the fitment exactly, contact a Honda dealer with your model and type number. They can pull the correct OEM part for your specific machine.
Frequently Asked Questions
Will this tank fit my HRR216K6 mower?
Yes, if your mower has the GCV160 engine. The HRR216K6 is listed in the compatibility range (K3 through K8). But double-check the type and serial number on your mower’s tag — a few late-production K6 models used a different tank. Type letters matter as much as the K-number.
What’s included in the kit — just the tank?
The part number 06175-Z8B-800 is listed as a “Fuel Tank Kit.” It typically includes the tank itself, the fuel cap, and any mounting grommets or rubber seals needed for installation. It does not include fuel line, clamps, or a new fuel filter. Buy those separately if yours are old or brittle.
How do I know if my engine is a GCV160 or GCV190?
Look at the engine shroud — the black plastic cover. Honda stamps the engine model (GCV160, GCV190, etc.) on a sticker or into the plastic itself near the spark plug. You can also check your mower’s owner’s manual or the parts diagram online. If the engine is a GCV160LA, GCV160LA0, or GCV160LE, this tank fits.
Can I use an aftermarket tank instead to save money?
You can, but expect compromises. Aftermarket tanks often use thinner plastic that warps after a few heat cycles, especially with ethanol gas. The mounting tabs may need to be filed or bent. A poor seal at the fuel outlet can cause hard starting or flooding. For a part that holds gasoline inches from a hot engine, the OEM price premium is cheap insurance. The genuine tank costs more — check current pricing on Amazon — but it’s a one-time purchase.