Easy
Less than 15 minutes
It is a genuine replacement part which is supplied directly from the original equipment manufacturer for use with handheld lawn and garden equipment. The purpose of this special cap is to keep the fuel in the tank, this part provides an identical replacement for a missing or damaged component which came with the new unit. It is a high-quality part which is made of durable plastic material and is sold individually.
Cap, Fuel 791-180000B
OEM part for: Ryobi, Troy-Bilt, MTD, Cub Cadet, Yard Machines
Part Number: 791-180000B
$18.62
In Stock
Ships within 1 business day 
Compatibility
This part will fit the following 115 machines
Ryobi
310BVr (41CS310G034) Handheld Blower/Vacuum View Diagrams & Manuals
990r (411088141) String Trimmer View Diagrams & Manuals
1090R (810000001) 4-Cycle Gas Trimmer View Diagrams & Manuals
2075R (802116043) 2-Cycle Gas Trimmer View Diagrams & Manuals
2075RC (802115993) 2-Cycle Gas Trimmer View Diagrams & Manuals
2090R (802116068) 2-Cycle Gas Trimmer View Diagrams & Manuals
2090RC (802116018) 2-Cycle Gas Trimmer View Diagrams & Manuals
210R (102077041) Blower View Diagrams & Manuals
2800M (41BD280G500) Trimmer View Diagrams & Manuals
310BVR (611000001) (41AS310G034) Blower / Vacuum View Diagrams & Manuals
975R (611000001) Trimmer View Diagrams & Manuals
990R (611000001) Trimmer View Diagrams & Manuals
Ryan 264-2 (909004827-009147700) Trimmer View Diagrams & Manuals
Ryan 264-3 (009147701-012003060) Trimmer View Diagrams & Manuals
310BVTP (206046201) Blower View Diagrams & Manuals
310R (203096321-206058150) Blower View Diagrams & Manuals
Ryan 274-2 (909002827-009159700) Trimmer View Diagrams & Manuals
310R (206058151-302122404) Blower View Diagrams & Manuals
310R (304122405) Blower View Diagrams & Manuals
Ryan 274-3 (009159701-110245125) Trimmer View Diagrams & Manuals
365SSR (002051701-101052250) Trimmer View Diagrams & Manuals
365SSR (101052251-201043444) Trimmer View Diagrams & Manuals
365SSR (201043445) Trimmer View Diagrams & Manuals
375SSR (002051701-004025100) Trimmer View Diagrams & Manuals
280TP (206046201) Turf Power Blower View Diagrams & Manuals
375SSR (004025101-201043444) Trimmer View Diagrams & Manuals
375SSR (201043445) Trimmer View Diagrams & Manuals
Ryan 284-2 (909075157-009153201) Trimmer View Diagrams & Manuals
Ryan 284-3 (009153201-101052250) Trimmer View Diagrams & Manuals
385SSR (001118801-012034700) Trimmer View Diagrams & Manuals
385SSR (012034701) Trimmer View Diagrams & Manuals
395SSR (001119961-012036700) Trimmer View Diagrams & Manuals
764TP (201041445) Trimmer View Diagrams & Manuals
770R (301134234) Trimmer View Diagrams & Manuals
770R (407104738) Trimmer View Diagrams & Manuals
780R (001031001-102069940) Trimmer View Diagrams & Manuals
780R (203096321) Trimmer View Diagrams & Manuals
780R-1 (102066941-203096320) Trimmer View Diagrams & Manuals
780RB (203096321) Trimmer View Diagrams & Manuals
780RE (303080348) Trimmer View Diagrams & Manuals
780TP (201045670) Trimmer View Diagrams & Manuals
790PR (504231115) Pruner View Diagrams & Manuals
840R (102084332) Trimmer View Diagrams & Manuals
865R (401000001) Trimmer View Diagrams & Manuals
885R (401000001) Trimmer View Diagrams & Manuals
920R (411088141) Trimmer View Diagrams & Manuals
960R (411088141) Trimmer View Diagrams & Manuals
395SSR (012036701) Trimmer View Diagrams & Manuals
970R (411088141) Trimmer View Diagrams & Manuals
975R (512000001) Trimmer View Diagrams & Manuals
700R-1 (103029626-203096320) Trimmer View Diagrams & Manuals
700TP (201043445) Trimmer View Diagrams & Manuals
710R (301112306) Trimmer View Diagrams & Manuals
IDC 530B (104006901-106071000) Trimmer View Diagrams & Manuals
720ER (410031411) Edger View Diagrams & Manuals
720ER (507111707) Edger View Diagrams & Manuals
Singer GBC28 (306057012) Blower View Diagrams & Manuals
Singer GBC2818 (312000001) Blower View Diagrams & Manuals
720R1 (102055901-203096320) Trimmer View Diagrams & Manuals
Singer GC31 (310078839) Cultivator View Diagrams & Manuals
720TP (201043920) Trimmer View Diagrams & Manuals
Singer GT2815 (401000001) Trimmer View Diagrams & Manuals
Singer GT2815 (502010885) Trimmer View Diagrams & Manuals
740R (001033001-102064921) Trimmer View Diagrams & Manuals
740R-1 (102064921) (203096320) Trimmer View Diagrams & Manuals
740TP (201045020) Trimmer View Diagrams & Manuals
760R (301090419) Trimmer View Diagrams & Manuals
764R (103036646-203096320) Trimmer View Diagrams & Manuals
Singer GTB2816 (411107336) Trimmer View Diagrams & Manuals
764R (203096321) Trimmer View Diagrams & Manuals
Singer GTE2818 (401000001) Trimmer View Diagrams & Manuals
Singer GTE2818 (411088141) Trimmer View Diagrams & Manuals
Singer GTS2816 (401000001) Trimmer View Diagrams & Manuals
IDC 200-1 (909018527-009120700) Blower View Diagrams & Manuals
IDC 200-2 (009120701) Blower View Diagrams & Manuals
IDC 280 (206058151) Blower View Diagrams & Manuals
IDC 300 (109012001-203096320) Blower View Diagrams & Manuals
IDC 300 (203096321-304122404) Blower View Diagrams & Manuals
IDC 300 (304122405) Blower View Diagrams & Manuals
IDC 300BV (109012001-203096320) Blower View Diagrams & Manuals
IDC 300BV (203096321-304122404) Blower View Diagrams & Manuals
IDC 300BV (304122405) Blower View Diagrams & Manuals
IDC 300-1 (909014527-009113700) Blower View Diagrams & Manuals
IDC 300-2 (009113701-109012000) Blower View Diagrams & Manuals
IDC 364 (001109601-009129200) Trimmer View Diagrams & Manuals
IDC 364 (110025001-203096320) Trimmer View Diagrams & Manuals
IDC 364 (203096321) Trimmer View Diagrams & Manuals
IDC 364-1 (009129201-110025000) Trimmer View Diagrams & Manuals
IDC 400-1 (003023001) Cultivator View Diagrams & Manuals
IDC 400-1 (909012027-003023000) Cultivator View Diagrams & Manuals
IDC 500 (304051231) Trimmer View Diagrams & Manuals
IDC 500-1 (910045201-009026200) Trimmer View Diagrams & Manuals
IDC 500-2 (009026201-102021682) Trimmer View Diagrams & Manuals
IDC 500-2 (102021683-304051230) Trimmer View Diagrams & Manuals
IDC 520-1 (909079490-009056200) Trimmer View Diagrams & Manuals
IDC 520-2 (009056201-104006900) Trimmer View Diagrams & Manuals
IDC 540 (108034826-206042750) Trimmer View Diagrams & Manuals
IDC 540 (206042751) Trimmer View Diagrams & Manuals
IDC 540-1 (910027701-009081200) Trimmer View Diagrams & Manuals
IDC 540-2 (009081201-108034825) Trimmer View Diagrams & Manuals
IDC 580 (105073601-206042750) Trimmer View Diagrams & Manuals
IDC 580 (206042751) Trimmer View Diagrams & Manuals
IDC 580-1 (910019701-009093700) Trimmer View Diagrams & Manuals
IDC 580-2 (009093701-105073600) Trimmer View Diagrams & Manuals
PH790R (407104738) Trimmer View Diagrams & Manuals
GT2815 (502010885) Trimmer View Diagrams & Manuals
Troy-Bilt
TB2000 (41ADTB2G063) Trimmer View Diagrams & Manuals
TB250B (41AR290G766) Blower View Diagrams & Manuals
TB3000 (41ADTB3G063) Gas Trimmer View Diagrams & Manuals
TBP3160 (41AD316G966) Trimmer View Diagrams & Manuals
MTD
310BVR (41CS310G034) Blower Vac View Diagrams & Manuals
Cub Cadet
ST226 (41AD226G950) String Trimmer View Diagrams & Manuals
CC2000 (41BDC02G100, 41ADC02G100, 41CDC02G100) (2002) String Trimmer View Diagrams & Manuals
CC3000 (41BDC03G100, 41ADC03G100, 41CDC03G100) (2002) String Trimmer View Diagrams & Manuals
Yard Machines
280 (41AD-280G000) Trimmer View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Blower Parts
- Vacuum Parts
- Trimmer Parts
- Pruner Parts
- Edger Parts
- Cultivator Parts
This part replaces obsolete part #: 791-181083, 791-180000
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Need a fuel cap
Larry - September 16, 2016
👍 2 of 2 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers
Parts Used
Took the part off and replaced it.
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Gas cap leaked.
John - August 7, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Cultivator
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers
Parts Used
Replaced the gas cap with the new one. I had a similar problem with different manufacturers and different parts supplier. It took 3 gas caps to finally get the right one. I was very pleased with replacement parts as they got me the correct part on the first try.
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Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
