Skip to content

Welcome to the new flyrobinson.com

APEX Helicopters

RHC PART · FITS R44 · AUTHORIZED ROBINSON HELICOPTER DEALER

KI-4405 O-540 Engine Installation Prov. Kit

Robinson part number KI-4405, O-540 engine installation prov. kit, for the R44. Factory-new from APEX Helicopters, an authorized Robinson service center at Fort Lauderdale Executive (FXE). Send the RFQ and a service specialist confirms price, availability, lead time, and install hours.

PART NUMBER
KI-4405
DESCRIPTION
O-540 ENGINE INSTL PROV. KIT
UNIT
KIT
FITS
R44
CONDITION
FACTORY NEW
2026 LIST PRICERHC price list, effective January 1, 2026
$6,790.00

List price shown for reference. Call (954) 914-0600 or send the RFQ: availability, lead time, and install hours quoted together, usually the same business day.

What's in this kit

59 items · Robinson Kit Instructions KI-4405, revision D
Show the list ▸

Every part Robinson packs in KI-4405, in the order of the Kit Instructions. Tap a part number for its page and price. Alternates are supplied only when selected at order.

PART NUMBERDESCRIPTIONQTY
KI-4405InstrKit Instructions1
A141-11Washer2
A305-7Panel Assembly (small)4
A305-8Panel (large)4
A484-3Plate6
A701-1.5FTAluminum Tape (1-inch wide, 5-ft length)1
A729-31*Tube1
A785-19Hose – Air Duct (magnetos)2
A785-32Hose – Air Duct (alternator)1
B161-102-3Spirap (1/8-inch diameter, 3-inch length)4
B162-2Clipnut12
B173-6V-Belt – Alternator (for use with D748-5 or D748-6 alternator. This part will be provided unless alternate part [below] is selected.)1
B173-2orV-Belt – Alternator (for use with D729-1 alternator) · supplied instead of the part above when selected–
B173-3orV-Belt – Alternator (for use with D748-1 or D748-2 alternator) · supplied instead of the part above when selected–
B277-16Clamp2
B277-24Clamp2
B277-28Clamp6
B401-1Grommet – Parallel Valve12
C130-9Spacer2
C305-12Panel – RH (forward)1
C305-13Panel Assembly – LH (aft)1
C305-14Panel Assembly – RH (aft, large oil cooler)1
C305-15Panel Assembly – LH (forward)1
C306-1Panel Assembly (upper)1
C306-2Panel (lower)1
C308-4Cover Assembly – RH (top)1
C308-5Cover Assembly – RH (end)1
C309-5Panel Assembly (oil cooler)1
C310-1Panel Assembly (upper)1
C310-2Panel (lower)1
C312-1Cover Assembly – LH (cooling system)1
C313-7Panel Assembly – LH Aft (without hose)1
C357-1Clip – Single Bend ([3] for ignition harness; [1] for LH magneto cooling hose)4
C357-4Clip – Double Bend (replaces C357-1 clip for RH magneto cooling hose)1
C449-1Cover Assembly (engine, r/h side)1
C449-3Cover Assembly (engine, l/h side, with aft battery installation. This part will be provided unless alternate part [below] is selected.)1
C449-1orCover Assembly (engine, l/h side, all other battery installations) · supplied instead of the part above when selected–
C487-1Retainer – Straight2
C487-2Retainer – Bent2
C653-1Rubber Pads - Engine mount2
C653-2Rubber Pads - Engine mount2
D664-2Strap2
D754-4Baffle Assembly – Intercylinder1
D774-13Spring4
STD-160Lockwasher (Lycoming part number)2
06B26669**Gasket (Lycoming part number)6
MS21042L08Nut118
MS21919WDG2Clamp2
MS21919WDG22Clamp2
MS27039C0805Screw106
MS27039C0806Screw73
MS27039C0807Screw3
MS3367-3-9Ty-Rap10
MS3367-5-9+Ty-Rap (Note: “+” in contents part number indicates 20-qty pack)1
MS3367-7-9+Ty-Rap (Note: “+” in contents part number indicates 10-qty pack)1
NAS1149F0332PWasher1
NAS1149F0432P+Washer (Note: “+” in contents part number indicates 20-qty pack)2
NAS1149FN816P+Washer (Note: “+” in contents part number indicates 20-qty pack)7
NAS1352-08-8PScrew – Socket Cap (Kit contents continues on next page)5
NAS1352-3H6PScrew – Socket Cap1
NAS1352-4H10PScrew – Socket Cap22
NAS1352-4H14PScrew – Socket Cap2
  • *Use with C727-2 Breather Tube (0.75-inch diameter). Refer to R44 IPC Figure 71-5. Engines equipped with C728-2 engine air/oil separator assembly require [1] A785-43 hose and [1] A729‑77 tube; order parts separately. To upgrade breather tube installation with air/oil separator installation, order KI-255-2 R44-series Engine Air-Oil Separator Installation Kit.
  • **Replaces cork gaskets (if installed) at rocker box cover.

Contents from Robinson Helicopter Company Kit Instructions KI-4405, revision D, 5 October 2022. Open the official Kit Instructions PDF ↗ · Current revisions are listed under Kit Instructions on Robinson's publications page ↗

Kit terms

  • Includes all engine cooling panels
  • Not required when purchasing an RHC overhauled/exchange engine
  • RHC recommends the MT563-1 scroll-to-engine drill jig
  • RHC limited parts warranty: 1 year or 1,000 hours, whichever comes first

Full guide: R44 engine build-up kit guide →

Illustrated parts catalogs

How ordering works

  • Send the RFQ with quantity + aircraft serial
  • We quote price, availability + install hours
  • Approve and schedule

Aircraft on ground? AOG requests jump the line. Serial effectivity and applicable service bulletins are checked on every quote, by a person.

Related parts

Not the part you need? Send any Robinson part number, the RFQ takes whole lists.

Call (954) 914-0600