Dometic DM2652 / DM2662 to 12V Fridge Size Comparison
The Dometic DM2652 and DM2662 use the familiar six-cubic-foot RV refrigerator enclosure. Moving to a 12V compressor fridge can provide more usable storage in the same general cabinet area, but the new mounting opening should be checked before making the switch.
Original illustration comparing manufacturer-listed cabinet openings; not a drawing of the complete refrigerator body.
Compare the cabinet openings
Refrigerator
Specified enclosure H × W × D
What to check
Dometic DM2652 / DM2662
53¾ × 23¹¹⁄₁₆ × 24 in.
Original absorption-fridge opening; DM2672 and DM2682 share this listed enclosure size.
Norcold N8DC (12V)
52.88–53.01 × 23.50–23.63 × 24 in.
Shorter opening requirement and narrower mounting width. Framing and support may need adjustment.
Dometic DMC4081 (12V)
53.9 × 24 × 24 in.
Requires approximately 5/16 in. more width and 0.15 in. more height than the listed original opening.
Important difference: The Norcold N8DC specifies a shorter enclosure height than the DM2652; a matching depth does not make it a drop-in installation. The DMC4081 instead needs a slightly larger opening in both height and width.
What happens to the old propane installation?
A DM2652/DM2662 may use 12V power for controls while relying on LP gas or 120V AC for refrigeration. A compressor model needs a properly sized, dependable 12V circuit for cooling. Its ventilation path and fastening also differ, so use the replacement manual rather than copying the old arrangement. Unused LP gas piping must be safely isolated.
12V refrigerators to compare
These are cabinet-size comparisons, not confirmed direct replacements. Measurements refer to the manufacturer-required enclosure (height × width × depth), not the refrigerator's outside dimensions. Select the exact model and door configuration before ordering.
An 8.2-cu.-ft. 12V compressor fridge with a full freezer above the fresh-food compartment. It is worth comparing when upgrading a DM2652 or DM2662 from propane/electric operation.
Required cabinet opening (H × W × D)52.88–53.01 in. H × 23.50–23.63 in. W × 24 in. D
Cabinet comparison: N8DC's required cabinet height is lower than the DM2652/DM2662 opening by roughly 3/4–7/8 inch; its mounting width is also narrower. Allow for secure framing or shimming.
Dometic's 8-cu.-ft. 12V alternative keeps a two-door refrigerator/freezer layout, with compressor cooling and electronic temperature controls.
Required cabinet opening (H × W × D)53.9 in. H × 24 in. W × 24 in. D
Cabinet comparison: Its required opening is 0.15 inch taller and 5/16 inch wider than the listed DM2652/DM2662 enclosure. Confirm that the cabinet can be enlarged before buying.
Measure the empty cabinet at the front and rear; check for trim, screws, floor slope and obstructions.
Allow for doors, handles, hinges and cabinet doors to open fully—not just the rectangular cutout.
Plan for a suitable dedicated 12V supply. The existing 12V control wiring for an absorption refrigerator is not automatically sufficient for compressor operation.
Follow the new model’s ventilation, mounting, levelling and electrical instructions. Have unused LP-gas connections safely disconnected and capped by a qualified technician.
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