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Generac 4000XL (9777-1) Portable Generator

 Generac 4000XL (9777-1) Portable Generator Parts

Main Unit
Control Panel
   Main Unit   

 Fig # Img Part Name Availability Price
A-1
Cradle, Xl Obsolete - Not Available
Part #: A93199
Discontinued
N/A
A-2
Support, Engine Obsolete - Not Available
Part #: A84021
Discontinued
N/A
A-3
Engine Obsolete - Not Available
Part #: NSP
Discontinued
N/A
A-4
Housing, Engine Adapter Obsolete - Not Available
Part #: 66365
Discontinued
N/A
A-5
Assembly, Rotor Obsolete - Not Available
Part #: 84141J
Discontinued
N/A
A-6
Assembly, Stator Obsolete - Not Available
Part #: 83540J
Discontinued
N/A
A-7Bearing
Part #: 065791
Ships in 5 - 10 business days
 $17.15
Add To Cart
A-8
Washer, M8 Flat
Part #: 096796
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-10
Hhms, 5/16-24 X 3/4
Part #: 86307
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-11
Hhcs, 5/16-24 X 7" Obsolete - Not Available
Part #: 47480
Discontinued
N/A
A-12Mount, Vibration
Part #: 084508
In stock
10 available
 $6.02
Add To Cart
A-13
Nut, M8 Locking
Part #: 52858
Ships in 5 - 10 business days
 $1.13
Add To Cart
A-14
Bracket, Muffler Obsolete - Not Available
Part #: 83208
Discontinued
N/A
A-15
Decal, Ground Obsolete - Not Available
Part #: B4986
Discontinued
N/A
A-16
Hhms, Lw M6 1.00 X 12
Part #: 66476
Ships in 5 - 10 business days
 $1.13
Add To Cart
Fig #ImgPart NameAvailabilityPrice
A-17Gasket, Exhaust 1.6
Part #: 089476
In stock
6 available
 $0.99
Add To Cart
A-18
Pphms, M8 1.25 X 20
Part #: 70644
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-19
Pphms, M8 X 35 Obsolete - Not Available
Part #: 84346
Discontinued
N/A
A-20
Shcs, M8 1.25 X 20
Part #: 40976
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-21Screen, Spark Arrest
Part #: 083083
In stock
2 available
 $3.83
Add To Cart
A-22
Muffler
Part #: 0E5222A
In stock
1 available
 $89.27
Add To Cart
A-23
Pin, Roll M4 X 10 Obsolete - Not Available
Part #: 81917
Discontinued
N/A
A-25
Carrier, Rear Bearing Obsolete - Not Available
Part #: 66825-B
Discontinued
N/A
A-26Vibration Mount
Part #: 085652
In stock
13 available
 $3.08
Add To Cart
A-27
Nut, Hex Flange Whiz M8-1.25
Part #: 67989
Ships in 5 - 10 business days
 $1.45
Add To Cart
A-30
Screw Hhtt M5- 0.8 X 10
Part #: 74908
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-32
Bolt, M6 - 1.0 X 115
Part #: 86308
Ships in 5 - 10 business days
 $1.71
Add To Cart
A-33Rectifier- Battery Charger
Part #: 065795
In stock
2 available
 $7.91
Add To Cart
A-34
Taptite, M5 0.8 X 20 Obsolete - Not Available
Part #: 66849A
Discontinued
N/A
A-35
Grommet, Rubber
Part #: 67022
Ships in 5 - 10 business days
 $1.00
Add To Cart
Fig #ImgPart NameAvailabilityPrice
A-36
Assembly, Drive Module Pwr Reg. Obsolete - Not Available
Part #: 84132
Discontinued
N/A
A-37Assembly, Brush Holder
Part #: 0663860SRV
In stock
4 available
 $16.22
Add To Cart
A-38
Screw Hhtt M5 -0.8 X 16
Part #: 66849
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-39
Cover, Bearing Carrier Obsolete - Not Available
Part #: B4871
Discontinued
N/A
A-41
Screw, M6 -1.0 X 16 Wing Obsolete - Not Available
Part #: 86494
Discontinued
N/A
A-42
Hhcs, 10 - 16 X 3/4" Self Driller
Part #: 86292
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-43
Nut, M6 Flange Lock Obsolete - Not Available
Part #: 77395
Discontinued
N/A
A-44
Grommet, Tank Obsolete - Not Available
Part #: 83465
Discontinued
N/A
A-46
Hhms, M6 1.0 X 60 Obsolete - Not Available
Part #: 78831B
Discontinued
N/A
A-47Valve, Plastic Tank
Part #: 080270
In stock
16 available
 $6.09
Add To Cart
A-48Bushing Tank Dextor
Part #: 078299
In stock
25+ available
 $3.99
Add To Cart
A-49
Gauge, Fuel Obsolete - Not Available
Part #: 85134
Discontinued
N/A
A-50
Tank, Fuel Obsolete - Not Available
Part #: 88325
Discontinued
N/A
A-51
Shield, Heat Obsolete - Not Available
Part #: B84042
Discontinued
N/A
A-52
Insulation, #2-1/4" Thick Obsolete - Not Available
Part #: 84687
Discontinued
N/A
Fig #ImgPart NameAvailabilityPrice
A-53
Clip, Insulation Obsolete - Not Available
Part #: 85000
Discontinued
N/A
A-54
Wire, Ground Obsolete - Not Available
Part #: 14353621
Discontinued
N/A
A-55
Washer, Shakeproof #10
Part #: 23762
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-56
Washer Lock Ex Ternal Tooth 1/4"
Part #: 26850
Ships in 5 - 10 business days
 $0.99
Add To Cart
A-60
Decal, Control Panel Obsolete - Not Available
Part #: B4399
Discontinued
N/A
A-61
Decal, Danger Obsolete - Not Available
Part #: 92982
Discontinued
N/A
A-62
Decal, Heat Shield Obsolete - Not Available
Part #: B4398
Discontinued
N/A
A-63
Decal, Operating Instructions Obsolete - Not Available
Part #: 93826
Discontinued
N/A
A-64
Decal, Fuel Shut Off Obsolete - Not Available
Part #: 73054
Discontinued
N/A
A-65
Decal, Generac 1-800 Obsolete - Not Available
Part #: 20566
Discontinued
N/A
A-66
Decal, Caution Hot Muffler Obsolete - Not Available
Part #: 77816
Discontinued
N/A
A-67
Assy., Control Panel Obsolete - Not Available
Part #: 87116
Discontinued
N/A
A-68
Hhcs, 12 - 14 X 7/8 Self Drill Obsolete - Not Available
Part #: B2153
Discontinued
N/A
A-69
Sleeving, Flexo, Hw 1/2" X .83 Ft.
Part #: 84409
Ships in 5 - 10 business days
 $1.38
Add To Cart
A-800120 Volt Ac 30 Amp Plug
Part #: 037806
In stock
2 available
 $17.61
Add To Cart
Fig #ImgPart NameAvailabilityPrice
A-800
120/240 Volt Ac 20 Amp Plug
Part #: 43483
Ships in 5 - 10 business days
 $16.75
Add To Cart
A-800Battery Charge Cable
Part #: 065787
In stock
5 available
 $10.04
Add To Cart
A-800Spark Plug Obsolete - Not Available
Part #: 072347
Discontinued
N/A
A-800Element, Air Cleaner
Part #: 078601
In stock
8 available
 $13.21
Add To Cart
A-800Spark Plug Wrench Obsolete - Limited Quantity
Part #: 084882
In stock
1 available
 $3.77
Add To Cart
A-800
Owner'S Manual Obsolete - Not Available
Part #: B4400
Discontinued
N/A
A-800
Video Obsolete - Not Available
Part #: B4572
Discontinued
N/A
A-800
Oil, 28 Oz. Obsolete - Not Available
Part #: BB3061
Discontinued
N/A
A-800
Engine Obsolete - Not Available
Part #: NSP
Discontinued
N/A
A-800
Cord Wrap Obsolete - Not Available
Part #: 84883
Discontinued
N/A
A-800
Storage Cover Obsolete - Not Available
Part #: 84895
Discontinued
N/A

Enter your engine's type number in this search field to show the parts that match your engine.

Your engine's type number is the second part of the model number stamped on your Briggs & Stratton engine (see picture).

Generator Parts

Repair Stories
Symptom:
Worn Tank Bushing
Parts Used:
Part Number:
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Entry Date:2015-03-09 08:23:55
2 of 11 customers found these instructions helpful
gas shut off valve and grommet
Pulled the 080270 old shut off valve and the 078299 grommet from the bottom of the fuel tank. Pushed the new grommet into the bottom of the tank, then pushed the new shut off valve into the grommet. Attached the fuel line and clamp with pliers to the new valve. tested for leaks and ran generator.
Did these repair instructions help you?
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