Cessna 177 RG Exhaust System Itemized Parts List

Item Part # Description Condition
01 2054000-42 MUFFLER - LH OVERHAUL
02 2054000-40 MUFFLER - LH - WITH PERPENDIULAR BRACKET OVERHAUL
03 2054000-31 MUFFLER - LH - WITH PARALLEL BRACKET OVERHAUL
04 2054000-38 MUFFLER- RH OVERHAUL
05 2054002-16 RISER - RH - INBD- 2 BOLT FLANGE OVERHAUL
06 2054002-14 RISER - RH - OTBD- 2 BOLT FLANGE OVERHAUL
07 2054001-16 RISER - LH - REAR - 2 BOLT FLANGE OVERHAUL
08 2054001-18 RISER - LH - FWD - 2 BOLT FLANGE OVERHAUL
09 2054019-1 CROSSOVER PIPE - MUST SEND IN OVERHAUL
10 A0750161-25 CLAMP - RISER - 1.75" - EACH - ORDER 2 FOR SET - INCLUDES HARDWARE NEW PMA
N/S 77611 CYLINDER GASKET WITH HARDWARE NEW
N/S 2054017-1 RIGHT HAND INBOARD SHROUD OVERHAUL
N/S 2054017-2 RIGHT HAND OUTBOARD SHROUD OVERHAUL
N/S 2054018-14 LEFT HAND SHROUD OVERHAUL
N/S 2054018-19 LEFT HAND UPPER SHROUD OVERHAUL
N/S 2054018-23 LEFT HAND LOWER SHROUD OVERHAUL

Note: 3 different Left hand mufflers use diagram to distinguish between:
• Perpendicular Bracket
• Parallel Bracket
• No Bracket

Service letter SE77-35 LH muffler fwd support deleted from production aircraft fall 1977 ~ end of production run 1978, recommends the support be removed for 177RG models starting with S/N 177RG0001.

SE80-6 & SE80-6A are service letters introducing an improved brace system which attached to the aft end of both exhaust mufflers to the engine sump.