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Stainless steel left-hand door assembly for Summit S400 grill

weber

Weber 66278 Door Assy LHS SS Summit S400 2017 BB appliance part

SKU CH-9K3X-BEQYW

Replacement left-hand stainless-steel door assembly for Weber Summit S400 grills, compatible with 26 model numbers

  • Sold asEach
  • Product typeGrills & Accessories
  • Genuine Weber replacement keeps your Summit S400 grill sealed
  • Stainless steel left-hand door resists corrosion and heat
  • Direct fit for 26 listed Summit S400 model numbers
  • Part number 66278 ensures correct component identification
  • New factory part restores original performance and appearance

Replacement Door for Summit S400 Grills

The Weber 66278 door assembly fits the left-hand side of Summit S400 barbecues produced in 2017. It is a direct replacement part for owners whose original door has been damaged or worn through regular use.

Stainless Steel Construction and Factory Fit

Built from stainless steel, the assembly matches the grill’s original finish and resists corrosion from heat and weather. The hinge and latch points align with the factory mounting locations, so installation requires no drilling or modification.

Compatibility Limited to 26 Listed Model Numbers

This part is confirmed for exactly 26 specific Summit S400 model numbers including 2840001, 97120001, and 77270001. Grills with model numbers outside that list will not accept this door assembly.

How it compares

Measured against everything we stock in Replacement Grill & Appliance Parts, at today’s prices. Recalculated every night.

Price $162.99
Pricier than about 90% of the 1,446 comparable items (median $36.99).

Specifications

Product
Brand nameWeber
Part numberWEB66278
Product typeGrills & Accessories

Questions about this item

Does the WEB66278 left-hand door assembly use the original hinge pins on a Summit S400 2017 grill?

Yes, it mounts to the factory hinge points on compatible Summit S400 2017 models.

Which grill models accept the WEB66278 stainless-steel left-hand door?

Fits 26 Summit models including 1710001, 1740001, 1740301, 1810001, 1840001, 1840301, 2740001, 2740301, 2840001, 2840301, 7120001, 7170001, 7220001, 7270001, 77170001, 77270001, 91710001, 91740301, 91810001, 91840301, 92740301, 92840301, 97120001, 97170001, 97220001, 97270001.

What is the first step when replacing the left-hand door with the WEB66278 assembly?

Support the door fully before removing the hinge pins so the assembly does not drop.

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