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Common Replacement Parts for Honda G300 General Purpose Engine

The different model variations of the G300 engine differ mainly in PTO, starter, and air cleaner. Most parts are identical for all types. For many parts not listed, such as camshaft, crankshaft, flywheel, and crankcase cover, you will need to know which variation you have. 

If you haven't already, please read our ordering information.

We carry other parts for this model. If you don't see what you're looking for, e-mail us at parts_request@planopower.com or call the store at (972) 423-5220. Please include model and serial number with email correspondence.

Part Description

Picture or Description

Part Number
Price (Qty)

Spark Plug

BR4HS
$4.33

Box of Ten
$33.00

Air Filter Element
(Pancake)

17211-889-000
$11.34

Air Filter Element
(Oil Bath)

17403-728-000
$5.68

Air Filter Element
(Silent)

17210-890-505
$25.98

Carburetor Assy.*
(BB33A A-C, use to sn 1094287 on HQB6, QB6, QJ0, SB7, VB6)

-
16100-889-055
$77.12

Carburetor Assy.*
(BB33C A-D, use from sn 1094288)

-
16100-889-055
$77.12

Carburetor Needle Valve

16155-883-005
$17.38

Carburetor Float Set

16013-883-005
$25.14

Carburetor O-Ring (3 pc.)

16010-883-015
$6.90

Choke Set

16044-889-005
$26.06

Main Nozzle

-
16166-889-005
$22.70

Fuel Filter
(Under Tank)

16952-883-005
$12.34

Sediment Bowl

16081-471-831
$21.26

Fuel Shut-off Assy. (90)

16950-883-045
$38.92

Fuel Shut-off Assy.
(180, no sediment bowl)

16950-883-663
$30.28

Fuel Tank

17510-890-030ZA
$212.16

Points

30280-883-005
$21.96

Governor Rod

16555-889-010
$3.16

Governor Spring (to engine sn 1049198)

16561-890-601
$3.84

Governor Spring (from engine sn 1049899)

16561-890-601
$3.84

Throttle Return Spring

16562-889-010
$3.32

Condenser

-
30251-883-003
$13.98

Ignition Key (Electric start versions)

-
35111-880-013
$7.72

Oil Seal
(PTO End)

91201-890-003
$7.82

Oil Seal
(Starter End)

91201-Z0T-801
$6.16

Gasket Set

-
06111-889-405
$29.14

Carburetor Gasket

-
16221-890-800
$1.76

Carb. Insulator Gasket

-
16212-889-800
$1.46

Air Cleaner to Carb. Gasket

-
16269-890-800
$1.10

Head Gasket

12281-889-315
$22.56

Crankcase Gasket

-
11381-889-800
$10.60

Muffler Gasket

-
18381-889-800
$2.88

Tappet Cover Gasket

-
12375-889-000
$3.00

Oil Filler Cap

15611-921-000
$9.02

Intake Valve

14711-889-000
$24.68

Exhaust Valve

14721-899-000
$40.52

Valve Spring

-
14751-890-000
$3.40

Piston, Std.

13101-889-010
$61.60

Piston, 0.25 mm

13102-889-010
$51.92

Piston, 0.50 mm*

13103-889-010
$51.92

Piston, 0.75 mm*

13104-889-010
$51.92

Rings, Std,

13010-YA1-003
$32.24

Rings, 0.25 mm

13011-YA1-003
$34.78

Rings, 0.50 mm*

13012-YA1-003
$34.78

Rings, 0.75 mm*

13013-YA1-003
$34.78

Connecting Rod*

13200-889-030
$97.64

Connecting Rod, Undersize*

13200-889-506
$80.82

Recoil Starter Assy.

-
28400-YA1-R00ZB
$85.13

Recoil Spring

28442-883-000
$13.98

Starter Ratchet

28422-889-013
$6.44

Friction Spring

-
28441-883-020
$6.98

Parts Manual*

-
148890E2-AH
$16.38

Service Manual*

-
6188900
$34.95

*Not all parts listed are available for immediate delivery. Most orders ship next business day, but even the Honda warehouse is out of some items. In some extreme cases, delivery may be delayed for 3-6 weeks due to manufacturer backorder. This is the case particularly with parts manuals and manuals for older models.

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