Permanent RV part identity

Atwood 91638 Main Burner

Name: Atwood 91638 Main Burner
Brand: Atwood / Dometic

Atwood / Dometic Part 91638

Atwood / Dometic 91638: Carries the LP-gas flame into the combustion tube on supported 6-gallon Atwood water heaters. Review manufacturer model references and current supplier availability on RVPartScan.

Atwood 91638 Main Burner — supplier product photo 1 — Supplier photo. Compare connectors, dimensions and the part number before ordering.

Also called: burner tube, main burner assembly, 6 gallon burner

Manufacturer part referenceReplacement part1 recently verified listing1 supplier with recorded evidenceLast checked Oct 13, 2026

Manufacturer model evidence

Models that reference this part number

Atwood / Dometic G6A-8E

Main Burner · diagram item 10

The G6A-8E parts list identifies item 10 as main burner 91638.

Model reference source

Atwood / Dometic GC6AA-10E

Main Burner · diagram item 11

The GC6AA-10E parts breakdown identifies item 11 as main burner 91638.

Model reference source

Supplier evidence

Availability observations for 91638

Supplier availability is observational data. It can disappear or become stale without changing this permanent part identity.

Dyers RVRecently verifiedChecked Oct 13, 2026

Atwood Water Heater 91638 Main 6 Gallon Direct Spark Burner

Condition: Not specified by supplier

$41.98

Supplier

Confirm the part number, model and source documents before ordering. Check final price, condition and availability with the supplier.