fix · Weber
Weber Genesis II E-335 burner tubes Three 67489-class GS4 mains plus a separate side sear. Do not buy a four-main cart kit; the sear is not a fourth 300-series tube.
moderate PT2H Genesis II E-335 Genesis II S-335 Updated 2026-08-31
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Clean versus clogged burner ports Left tube shows even open ports and a blue flame sketch. Right tube shows grease-clogged ports and a yellow uneven flame. BURNER TUBE · PORTS CLEAN Even blue cones. Every port open. CLOGGED Grease in the holes. Yellow, lift, dead spots. Ream with a bit smaller than the port. Do not drill oversized. Brass brush the row. Keep liquid out of the venturi / inlet. If the tube wall is lace under the ports, replace the set — do not patch holes. Fig. — Burner tube: clean ports (left) versus clogged ports (right). Top-down gas firebox layers Cooking grates on top, inverted-V flavorizer bars over the burner tubes, electrode at the left tube. TOP DOWN · GAS FIREBOX 1 cooking grates 2 flavorizer bars 3 burner tubes + ports 4 electrode (left tube) LAYERS (top → bottom) 1 Grates — food sits here 2 Flavorizer / heat tents 3 Burner tubes + ports 4 Electrode at left port Lift grates, then tents, to reach tubes. Gas off. Fig. — Firebox, top down: grates, flavorizer bars, burner tubes, electrode. E-335 cooking surface is three GS4 mains (67489 -class, same 300 family as E-315) plus a side sear that is its own casting. A “4-burner Genesis II” Amazon kit is usually the wrong geometry. Replace mains as a three-pack; replace the sear only when that burner is the dead one.
Ignition: E-335 igniter . Bars: E-335 flavorizers .
Procedure
Photograph mains vs sear. Count three tube inlets on the front manifold plus the sear valve.
Tank off. Grates and five main bars out. Leave sear hardware until you know it is failed.
Unclamp three mains. Slide off orifices.
Sky-check. Replace perforated tubes. Clean ports if the metal is sound.
Dry-fit 67489-class 300 tubes. Spirit 18” is short. 400-series is a different box.
If the sear is the complaint, search Weber Genesis II E-335 sear burner against the plate — do not invent a part number.
Electrodes, bars off the sear, grates on.
Soap. Lid open. Light mains, then sear.
FAQ
Is the E-335 sear a fourth 67489 tube?
No. Sear is a separate IR/sear casting. 67489 is the three-main kit.
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Yes for tubes on this page. No live ASIN pinned for 67489.
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