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Suzuki GS400 Parts

Suzuki GS400 replacement parts for engine resealing, fork service, carburetor repairs and control replacement. Browse early GS400 applications or choose GS400E, GS400L or GS400S below for model-specific parts.

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In stock
Kawasaki Yamaha Suzuki Motorcycle Float Bowl Gasket 11009-1241

Kawasaki Yamaha Suzuki Motorcycle Float Bowl Gasket - Reference: 11009-1241

$3.26
20-5020
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Kawasaki Yamaha Suzuki Motorcycle Float Bowl Gasket - Reference: 11009-1241. This float bowl gasket seals the carburetor bowl to the carburetor body. Replace a...
In stock
Kawasaki Yamaha Suzuki Motorcycle Float Needle 16030-1016

Kawasaki Yamaha Suzuki Motorcycle Float Needle - Replaces Kawasaki OEM 16030-1016

$8.73
48-1448
Kawasaki GPz750 (ZX750A) Parts Kawasaki KZ Motorcycle Parts Kawasaki KZ1000 Parts Kawasaki KZ1000J Parts Kawasaki KZ1000K Parts Kawasaki KZ1000M Parts Kawasaki KZ1000P Parts Kawasaki KZ1000R Parts Kawasaki KZ1100 Parts Kawasaki KZ1100A Parts Kawasaki KZ1100D Parts Kawasaki KZ1100L Parts Kawasaki KZ1100R Parts Kawasaki KZ700 Parts Kawasaki KZ700A Parts Kawasaki KZ750 Parts Kawasaki KZ750K LTD Belt Parts Kawasaki KZ750L Four Parts Kawasaki KZ750M CSR Twin Parts Kawasaki KZ750R GPz750 Parts Kawasaki KZ750S LTD Twin Parts Kawasaki Motorcycle Parts Kawasaki ZN Motorcycle Parts Kawasaki ZN1100 Parts Kawasaki ZN1100B Parts Kawasaki ZX, ZXR & ZZR Motorcycle Parts Kawasaki ZX750 Parts Motorcycle Carburetor Float Needles & Seats Motorcycle Carburetor Parts & Rebuild Kits Suzuki DR Motorcycle Parts Suzuki DR125 Parts Suzuki DR125SE Parts Suzuki DR200 Parts Suzuki DR200S Parts Suzuki DR200SE Parts Suzuki DS Motorcycle Parts Suzuki DS125 Parts Suzuki GN Motorcycle Parts Suzuki GN125 Parts Suzuki GN125E Parts Suzuki GR Motorcycle Parts Suzuki GR650 Parts Suzuki GS Motorcycle Parts Suzuki GS1000 Parts Suzuki GS1000G Parts Suzuki GS1100 Parts Suzuki GS1100GK Parts Suzuki GS1100GL Parts Suzuki GS1150 Parts Suzuki GS250 Parts Suzuki GS250T Parts Suzuki GS300 Parts Suzuki GS300L Parts Suzuki GS400 Parts Suzuki GS400E Parts Suzuki GS400L Parts Suzuki GS400S Parts Suzuki GS450 Parts Suzuki GS550 Parts Suzuki GS550L Parts Suzuki GS550MZ Parts Suzuki GS550T Parts Suzuki GS650 Parts Suzuki GS650GL Parts Suzuki GS650GT Parts Suzuki GS750 Parts Suzuki GS750E Parts Suzuki GS750L Parts Suzuki GS750S Parts Suzuki GS750T Parts Suzuki GS850 Parts Suzuki GSX-R Motorcycle Parts Suzuki GSX-R1100 Parts Suzuki GSX-R750 Parts Suzuki GSX600F Parts Suzuki GSX750 Parts Suzuki GSX750S Parts Suzuki GSXR1100 Parts Suzuki GSXR750 Parts Suzuki GV Motorcycle Parts Suzuki GV1200 Parts Suzuki GV1200GL Parts Suzuki Motorcycle Parts Yamaha Motorcycle Parts Yamaha XS Motorcycle Parts Yamaha XS400 Parts Yamaha XS400R Parts Yamaha XZ550 Vision Parts Yamaha XZ550R Parts
Kawasaki Yamaha Suzuki Motorcycle Float Needle - Replaces Kawasaki OEM 16030-1016. This float needle and seat control fuel entry into the carburetor float bowl....
In stock
Yamaha Suzuki Motorcycle Float Needle and Seat 11H-14107-20

Yamaha Suzuki Motorcycle Float Needle & Seat - Replaces Yamaha OEM 11H-14107-20

$14.21
48-1446
Motorcycle Carburetor Float Needles & Seats Motorcycle Carburetor Parts & Rebuild Kits Suzuki DR Motorcycle Parts Suzuki DR125 Parts Suzuki DR125SE Parts Suzuki DR200 Parts Suzuki DR200S Parts Suzuki DR200SE Parts Suzuki DS Motorcycle Parts Suzuki DS125 Parts Suzuki GN Motorcycle Parts Suzuki GN125 Parts Suzuki GN125E Parts Suzuki GR Motorcycle Parts Suzuki GR650 Parts Suzuki GS Motorcycle Parts Suzuki GS1000 Parts Suzuki GS1000E Parts Suzuki GS1000G Parts Suzuki GS1000S Parts Suzuki GS1100 Parts Suzuki GS1100E Parts Suzuki GS1100G Parts Suzuki GS1100GK Parts Suzuki GS1100LT Parts Suzuki GS1100S Parts Suzuki GS1150 Parts Suzuki GS250 Parts Suzuki GS250T Parts Suzuki GS300 Parts Suzuki GS300L Parts Suzuki GS400 Parts Suzuki GS400E Parts Suzuki GS400L Parts Suzuki GS400S Parts Suzuki GS450 Parts Suzuki GS450GA Parts Suzuki GS450L Parts Suzuki GS450T Parts Suzuki GS550 Parts Suzuki GS550L Parts Suzuki GS550MZ Parts Suzuki GS550T Parts Suzuki GS650 Parts Suzuki GS750 Parts Suzuki GS750E Parts Suzuki GS750L Parts Suzuki GS750S Parts Suzuki GS750T Parts Suzuki GS850 Parts Suzuki GSX-R Motorcycle Parts Suzuki GSX-R1100 Parts Suzuki GSX-R750 Parts Suzuki GSX600F Parts Suzuki GSX750 Parts Suzuki GSX750S Parts Suzuki GSXR1100 Parts Suzuki GSXR750 Parts Suzuki GV Motorcycle Parts Suzuki GV1200 Parts Suzuki GV1200GL Parts Suzuki Motorcycle Parts Yamaha Motorcycle Parts Yamaha XS Motorcycle Parts Yamaha XS400 Parts Yamaha XS400R Parts Yamaha XZ550 Vision Parts Yamaha XZ550R Parts
Yamaha Suzuki Motorcycle Float Needle & Seat - Replaces Yamaha OEM 11H-14107-20. This float needle and seat control fuel entry into the carburetor float...
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About the Suzuki GS400

Restoration parts for the early GS400 twin, with separate E, L and S applications.

Suzuki Motorcycle Logo

Suzuki’s archive dates the original GS400 to 1976, with an air-cooled, DOHC two-cylinder engine. The cast-wheel GS400E followed in 1978. Later uses of the GS400 name make the complete designation and year essential when selecting restoration parts.

Early GS400 engine and fork parts; E, L and S service parts

The early engine gasket set here lists GS400 1977–1979, while the fork seals list GS400 1977–1978. The E, L and S collections include later carburetor, control and electrical parts with their own ranges. In particular, the S bowl-gasket entry covers 1980–1981 and 1984–1986, leaving 1982–1983 unconfirmed for that part. Other suffixes also appear on individual products in the wider parent range.

Compare before orderingGS400 repair parts by model and year

Years shown apply to the linked part. Check its full fitment and the component fitted to your motorcycle before ordering.

Selected GS400 repair part applications
ModelRepair partListed yearsBefore ordering
GS400Early engine gasket set1977–1979Base-model entry; compare the fitted engine.
GS400Early fork oil seals1977–197833 × 46 × 11 mm; narrower years than the gasket set.
GS400EE-model float bowl gasket1980–1984Individually sold; compare the bowl profile.
GS400LL-model ignition switch1980–1982Compare mounting, wiring and connector layout.
GS400SS-model float needle and seat1980–1981, 1984–19861982–1983 are not included in this application.
GS400SS-model swingarm bearings1981–1982This separate application includes 1982.

Compare GS400E carburetor and reservoir parts, GS400L controls and indicators, or GS400S year-specific repairs.

Identify your motorcycle before orderingGS400 identification checklist

Compare the motorcycle’s identification markings and model-year documents with the components actually fitted.

GS400 identification and component checks
CheckWhat to confirm
Model and marketRetain E, L, S or another suffix when present, and confirm the model year rather than registration year alone.
Early engineUse engine markings and gasket outlines to check the GS400 1977–1979 set application.
CarburetorIdentify the carburetor body and compare bowl gasket and float-valve parts separately.
Chassis changesCheck the fork, swingarm pivot, control perches and electrical connectors actually fitted.
Need help identifying your motorcycle?

Contact PartsNMore with the full model, year, frame and engine markings, and photos of the part being repaired.

Suzuki GS400 parts for repairs & restoration

Choose your repair below. These featured parts have individual year ranges and do not change with the product filter. Check fitment and package contents on the product page.

Restoring or customizing your GS400?

An early GS400 restoration may include replacement forks, lamps or control perches. Match universal accessories to those fitted components and record any changes for future service.

Measure handlebar diameter, mirror threads, cable reach and clearance. Universal parts may require modification and are not a confirmed GS400 fit.

Why buy your GS400 parts from PartsNMore?

Supplying motorcycle parts since 2002. Meet PartsNMore.

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Stock on our shelves

Items marked in stock are held in our warehouse. Orders usually ship the same or next business day.

Free ground shipping

USA: order subtotal of $50 USD or more. Canada: orders over $50 CAD. View shipping details.

60-day returns

Eligible unused, unaltered parts in original packaging. No restocking fee; electrical parts excluded. Read the return policy.

Need help choosing? Ask our parts team with your complete GS400 model, year and a clear photo of the part or its markings.

Suzuki GS400 parts questions

Which Suzuki GS400 collection should I use?
Match the complete designation on the motorcycle. GS400E, GS400L and GS400S have separate collection links. Use this parent collection for early GS400 entries and other listed suffixes, then check the product’s exact model and year.
Which engine gasket set and fork seals are listed for an early GS400?
The linked engine gasket set lists GS400 1977–1979. The linked 33 × 46 × 11 mm fork seals list GS400 1977–1978. Confirm the fitted engine and fork; these base-model entries do not establish later E, L or S compatibility.
Should I choose a float bowl gasket or a float needle and seat?
The bowl gasket seals the bowl-to-body joint. The needle and seat regulate incoming fuel. Inspect the carburetor to identify the component needing service, then match its design and listed application. These parts perform different jobs.
Do all GS400S service parts cover 1980–1986?
No. The linked bowl gasket and needle-and-seat assembly list S 1980–1981 and 1984–1986, while the swingarm bearings list S 1981–1982. Keep the year gaps and each component’s application separate.

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