Hongso Grill Grates for Weber Spirit 300 (E310) 17.5×11.5 in — 2‑Piece SUS304 Stainless, 7mm Rods

These Hongso stainless-steel replacement grill grates (two pieces, 17.5" x 11.5") are designed to fit Weber Spirit 300-series and many compatible Weber Genesis and Spirit II models, restoring even heat and reliable searing.

If your Weber Spirit grill grate is worn, cracked, or the porcelain coating is chipping, the Hongso 7639 Spirit E310 replacement set offers a durable stainless-steel alternative sized to match the original footprint. Built from 7mm SUS 304 food-grade stainless rods, these grates are engineered for longevity, easy cleaning, and consistent contact with food for defined sear marks. They are sized as individual pieces 17.5" x 11.9" (two pieces equal 17.5" x 23.8") and were made to align with the mounting points and cooking surface of many Weber models.

Which Weber grills will these Hongso grates fit?

These grates are intended for a wide range of Weber Spirit and Genesis models. They match the dimensions and mounting of Spirit 300-series grills and many Genesis variants listed by Weber, but some older or alternate-series models may not be compatible.

• Fits Weber Spirit E310, E320, E330 and Spirit S310, S320, S330 with front or side controls.
• Compatible with Weber Spirit II E310 and Spirit II S310/SP-310/SP-320/SP-330.
• Works with several Genesis Silver, Gold, and Platinum models (2000–2010 families), excluding Genesis Silver A.
• Also fits multiple Weber part numbers such as 46410674, 46510001, 46810001 and related models.

How are Hongso grates different from the original porcelain-coated grates?

Hongso grates use heavier, thinner rods of high-grade stainless steel that deliver different thermal and maintenance characteristics compared with wide porcelain-coated cast rods. The design emphasizes durability and easier cleaning while offering similar—or sharper—sear lines on foods.

• Constructed from 7mm SUS 304 food-grade stainless steel for rust resistance.
• Each section has 16 rods at 1/4" thickness, increasing contact points versus many original grates.
• Stainless rods tolerate scraping and high heat without chipping like porcelain surfaces.
• Simpler to hand-wash or put through a gentle grill-clean cycle.

Will these grates affect cooking performance or heat distribution?

Because these grates use more, narrower rods, they change how heat transfers to food compared with wider porcelain bars. Expect solid searing, slightly different heat retention, and quicker recovery after opening the lid, while preserving even cooking across the surface.

• More contact points for clearer sear marks on steaks and vegetables.
• Faster heat recovery due to stainless thermal conduction properties.
• Less risk of flaking or porcelain degradation over time.
• Can be used interchangeably with factory grates when dimensions match.

How do I install and care for the Hongso replacement grates?

Installation is straightforward: remove the old grates and set each Hongso piece into the factory supports. Routine care keeps them performing—clean with a grill brush after use and remove persistent residue with warm soapy water; stainless tolerates light abrasives better than porcelain.

• Slide grates into the existing support rails—no modification required for compatible models.
• Season briefly before first use: heat, oil, then cool to build a protective layer.
• Clean with nylon brush or mild scrub; avoid steel wool to preserve finish.
• Store in a dry place when not in use to maintain corrosion resistance.

Who this is for: Home grillers who want a long-lasting replacement for worn or chipped factory grates, cooks who prefer easy cleaning and strong sear performance, and owners of compatible Weber Spirit/Genesis grills seeking stainless durability. If you need a like-for-like fit, double-check your grill model and part numbers against the listed compatibilities before purchasing.