Jump to:
Product Description
?Genuine manufacturer approved carburetor needle valve for lawn and garden equipment engines. This item includes the seat. The needle valve opens and closes to control the flow of fuel into the carburetor. Make sure to disconnect the spark plug wire and drain all gasoline from the carburetor and fuel tank before starting a repair.
Frequently Purchased Together
?Troubleshooting
- Will Not Start
- Briggs and Stratton
- Toro
- Cub Cadet
- Lawn Boy
- Craftsman
- Simplicity
- MTD
- Murray
- Engine
- Lawn Mower
- Pressure Washer
- Snow Blower
- Chipper Shredder
- Generator
- Leaf Blower / Vacuum
Customer Part Reviews
?- < Prev
- 1
- 2
- Next >
- < Prev
- 1
- 2
- Next >
Questions & Answers
?Our customer Service team is at the ready daily to answer your part and product questions.
Be the first to ask our experts a question about this part!
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
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.
- < Prev
- 1
- 2
- 3
- Next >
The ethanol gas damage old needle seat..
Paul from Dodge City, Kansas
- Difficulty Level:
- Easy
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Pliers, Screw drivers, Socket set
- Parts Used:
- 398188
Hard to start, little power. Black smoke at start. Symptoms indicate flooded carb situation
Galen from Morrison, Illinois
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 1- 2 hours
- Tools:
- Pliers, Screw drivers, Socket set, Wrench set
1. Drained fuel tank.
2. Removed shroud, air filter assembly and disconnected fuel line. (Good time to replace air filter)
3. Removed carburetor, noting manner of attachment of throttle linkage.
4. Disassembled float bowl from carb.
5. ... Read more Removed float, needle valve and needle valve seat.
6. Remove old air cleaner gasket.
7. Thoroughly cleaned carb and parts to be reused.
8. Replace needle valve seat per instructions supplied with new part.
9. Replace float and needle valve with new parts.
10. Reassembly float bowl on carb.
11. Reattach carb to engine, including reattachment of throttle linkage.
12. Reinstall fuel line. (Note: I recommend installing an in-line fuel strainer.)
13. Reinstall air filter assembly and shroud.
14. Fill fuel tank
15. Test run engine.
Engine now starts easy and has same power as before.
I try to avoid ethanol in my small engines even in those supposedly designed for it. It\'s a powerful solvent and a potential troublemaker in my experience.
Float needle seat washer failed from old age.
Theron from San Angelo, Texas
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- Less than 15 mins
- Tools:
- Nutdriver, Screw drivers
- Parts Used:
- 398188
After making sure new seat was correctly oriented and centered in hole, I pressed it in with the blunt end of a drill bit that was almost as big as the hole. Then reassembled carb and put it back on the mower.
Lawn mower would start and die almost immediately afterwards
Martin from Rockville, Maryland
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Screw drivers, Socket set
- Parts Used:
- 398188
2. Removed float bowl cover, float, main jet and needle.
3. Removed plastic seat from carburetor body by inserting a small drill bit into it and levering it out.
4. Inserted new plastic seat into carburetor body. Used same drill bit to guide it into place and firmly seat it.
5. I ... Read more nstalled needle valve and float and checked for correct operation by inverting carburetor and making sure that float fully closed (float is horizontal).
6. Reassembled carburetor and installed it back on engine.
Rebuild Carburetor
douglas from cedar rapids, Iowa
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Pliers, Screw drivers, Socket set, Wrench set
Would not run
Jack from Amboy, Washington
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Wrench set
2, Determined main jet damaged
3. Ordered required (obsolete) parts from eReplacements
4. Installed replacement parts
5. Re-installed carburetor
6. Started engine and mowed lawn.
The seat for the needle was in up side down
Michael from Detroit, Michigan
- Difficulty Level:
- Easy
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Screw drivers, Socket set
Clogged carburetor.
Russell from Maryville, Tennessee
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Nutdriver, Socket set
Needle valve seal was melted due to ethanol in fuel
Dennis from GARLAND, Maine
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Screw drivers, Socket set
2. Remove air cleaner assembly
3. Remove fuel line from carburetor
4. Remove carburetor bolts and throttle linkage
5. Unbolt carburetor bowl
6. Remove float and needle and old seal
7. Insert new seal with groove side down and press it
down using non-cutting end of drill bi ... Read more t sized to fit seal
tunnel
8. Install new needle and float assembly and other parts
Fuel leak from carburetor.
David from OWASSO, Oklahoma
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Nutdriver, Pliers, Screw drivers, Socket set, Wrench set
Removed carburetor
Removed float cover using half inch socket
Replaced float and needle valve and rubber bushing
Reinstalled carburetor
- < Prev
- 1
- 2
- 3
- Next >
Model Cross Reference
Manufacturer Part Number: 398188
| Brand | Model Number | Description |
|---|---|---|
| Briggs and Stratton | 01050-0 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01050-0 (010500, 01050 0) Parts |
| Briggs and Stratton | 01052-0 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01052-0 (010520, 01052 0) Parts |
| Briggs and Stratton | 01052-1 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01052-1 (010521, 01052 1) Parts |
| Briggs and Stratton | 01053-0 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01053-0 (010530, 01053 0) Parts |
| Briggs and Stratton | 01133-0 | Generator - Briggs & Stratton Generator Model 01133-0 (011330, 01133 0) Parts |
| Briggs and Stratton | 01282-0 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01282-0 (012820, 01282 0) Parts |
| Briggs and Stratton | 01433-0 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01433-0 (014330, 01433 0) Parts |
| Briggs and Stratton | 01433-1 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01433-1 (014331, 01433 1) Parts |
| Briggs and Stratton | 01433-2 | Pressure Washer - Briggs & Stratton Pressure Washer Model 01433-2 (014332, 01433 2) Parts |
| Lawn Boy | 0425A | Lawn Mower - Lawn Boy Lawn Mower Model 0425A Parts |
| Lawn Boy | 0427 | Lawn Mower - Lawn Boy Lawn Mower Model 0427 Parts |
| Craftsman | 0505-0-580741380 | Pressure Washer - 0505-0 - 580.741380, 1,500 Psi (Rev 3 5/20/96) Craftsman |
| Briggs and Stratton | 0647-0 | Generator - 2,000 Watt Portable Generator |
| Craftsman | 0647-0-580327700 | Generator - 0647-0 - 580.327700, 2,000 Watt Craftsman |
| Cub Cadet | 074R | Lawn Mower - Cub Cadet Lawn Mower Model 074R/1989 Parts |
| Craftsman | 0764-0-580762250 | Pressure Washer - 0764-0 - 580.762250, 2,250 Psi Craftsman |
| Briggs and Stratton | 0795-0 | Pressure Washer - Briggs & Stratton Pressure Washer Model 0795-0 (07950, 0795 0) Parts |
| Craftsman | 0795-0-580677220 | Pressure Washer - 0795-0 - 580.677220, 2,250 Psi Craftsman |
| Briggs and Stratton | 083412-0101-01 | Engine - Engine |
| Briggs and Stratton | 083412-0105-01 | Engine - Engine |
| Briggs and Stratton | 083412-0105-02 | Engine - Engine |
| Briggs and Stratton | 083412-0105-03 | Engine - Engine |
| Briggs and Stratton | 083412-0105-04 | Engine - Engine |
| Briggs and Stratton | 083412-0106-01 | Engine - Engine |
| Briggs and Stratton | 090702-0015-01 | Engine - Engine |
| Briggs and Stratton | 090702-0025-01 | Engine - Engine |
| Briggs and Stratton | 090702-0026-01 | Engine - Engine |
| Briggs and Stratton | 090702-0030-01 | Engine - Engine |
| Briggs and Stratton | 090702-0100-01 | Engine - Engine |
| Briggs and Stratton | 090702-0103-01 | Engine - Engine |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.