Use the complete engine-label code to compare the shaft and configuration with your equipment.
List priceChoose a specification
In-store pickup only · No shipping
To order, call or text the shop. Engines are available for local pickup only.
Availability checked before you’re charged.
Planned checkout: payment will be authorized—not charged—while we confirm in-store or distributor availability and our ability to fill the order. If we cannot fill it, we will cancel the order and void the authorization.
Please wait for our ready-for-pickup notice before visiting the store.
This DFI list includes only catalog-supported references. Confirm other internal, cooling and electrical parts with the shop.
Family catalog listing; selecting an engine spec does not confirm fitment for every part. Call or text the shop.
10 of 10 parts
Collection order
FD service parts
Model catalog parts; check all configuration, date and serial restrictions before ordering.
Fuel filter — FD liquid-cooled engines
Material: 49019-0032
Most FD engines; confirm original filter and connections
Catalog reference: FD851D DFI — confirm full specification and serial number
$22.02Each
Optional oil filter — FD series
Material: 49065-2071
Catalog optional FD-series reference; confirm original filter, clearance and full specification
Catalog reference: FD851D DFI — confirm full specification and serial number
$13.88Each
Voltage regulator
Material: 21066-2079
Catalog names FD851D / FD791D / FD750D; confirm original regulator, connector and charging configuration
Catalog reference: FD851D DFI — confirm full specification and serial number
$270.61Each
Oil pressure switch — selected FD applications
Material: 27010-0851
Most FD, not all; confirm original switch and full specification
Catalog reference: FD851D DFI — confirm full specification and serial number
$18.59Each
Large canister end cap
Material: 11011-7014
Only engines equipped with the matching heavy-duty canister; compare original cap. The FD851D S01 specification is supplied without an air-filter assembly.
Catalog reference: FD851D DFI — confirm full specification and serial number
$48.23Each
90-degree oil drain valve — FD
Material: 99969-1395
Most FD engines; confirm drain thread, clearance and original installation
Catalog reference: FD851D DFI — confirm full specification and serial number
$17.96Each
Threebond 1207B liquid gasket, 3.4 oz
Material: 92104-2068
Liquid-cooled crankcase reassembly sealant; 7-minute work time. Confirm the service procedure before use
Catalog reference: FD851D DFI — confirm full specification and serial number
Catalog reference: FD851D DFI — confirm full specification and serial number
$4.98Each
Ignition coil — cylinder 1 or 2
Material: 21121-2107
FD851D cylinder 1 and cylinder 2 catalog reference; confirm original coil
Catalog reference: FD851D DFI — confirm full specification and serial number
$84.94Each
Fuel pump — FD851D
Material: 49040-2079
FD851D catalog application; confirm original pump and DFI fuel-system connections
Catalog reference: FD851D DFI — confirm full specification and serial number
$307.97Each
No matching parts. Try another category or search.
Prices are per item or kit. Confirm availability and exact-spec fitment. Unpriced entries require a price check. To order, call or text the shop.
Match your application
Have the full model, specification and serial number, plus the equipment make and model. Confirm shaft, mounting, controls, DFI, electrical and cooling-system connections and exhaust before installation.
