Steel Thunder Custom Cycles motorcycle parts


Shopping Pages:

Control Section:

Brakes, discs, rotors, dashes & instrument panels, gauge brackets, footpegs, forward controls, grips, throttle control, handlebar controls, handlebars, levers, linkage, levers, mirrors, risers, shift & jockey control.

Drivetrain Section:

Belt drives, belt drive covers, clutch kits, chain drives, drivetrain packages, kick start transmission, offset sprockets, points, derby & ignition coves, primary belts, primary chains, primary covers, pulley & brake combo kit, rear drive belts, Sportster performance parts, six speed conversion, rear sprockets, rotors, transmissions & parts.

Electrical Section:

Battery related, battery tenders, charging systems,coils & mounts, dash/instrument panels, speedos, tachs, terminal kits, electronic ignitions, handlebar switches, headlights, horns, lighted license plate mounts, lighting, starter motors, taillights, turn signals, wiring harnesses.

Engine Section:

Motorcycle engine parts, drivetrain packages, cams & cam side parts, big bore kits, big bore piston kits, Sportster engine parts, motor mounts, drivetrain section, engine mounts.

Exhaust Section:

Exhaust pipes listed by model, exhaust accessories, insulating wrap, mufflers, extensions, high heat spray, heat shields, clamps and mounts.

Frame/Body Section:

Frames listed by style, engine mounts, fenders, struts, floorboards, foot rests, pegs, frame covers, hardtails, highway bars, kickstands, lowering kits, seats listed by model, shocks, sissy bars & pads, swingarms.. Also, Rolling Chassis Kits.

Front End Section:

Complete front fork assemblies, fairings & fairing accessories, fork brackets/triple trees, fork tubes, sliders, fork legs, boots, springer front ends & parts, wide glide kits.

Fuel Section (Gas, Oil, Air):

Air cleaners & covers, breathers, carburetors & rebuild kits, fuel injection control, gas tanks, gas caps, gas tank cleaner/prep systems, oil, oil coolers, oil line kits, oil pressure & tank gauges, oil pumps, oil tanks, , velocity stacks.

Saddlebag & Windshield Section:

Saddlebags listed by manufacturer, windshields

Wheel Section

Tires,  tire size chart, 40, 60 & 80 spoke wheels, solid wheels.

General Merchandise Section:

Catalogs, covers, gift certificates, gift suggestions, goggles & eyewear, hardware, luggage racks, motors, motorcycle covers, security, locks & alarms, tools, trailer accessories, ramps, wheel chocks, trailer hitches to put on motorcycle.

Other Pages:

Fun, Photos & Links Section:

Photos of our customer's motorcycles, including bike kit builds, trike build link, free biker ecards, jokes, banner links, text links, link to us, webmaster's awards.

Tech & Info Section

Tech tips, tire size chart, engine break-in, suspension & shocks info, rake and trail calculator, contact page, frequently asked questions (FAQ), our credentails, terms & conditions of sale, disclaimer, international shipping policy.

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Some Helpful Links:

Rigid Frame Seats

FXR & Dyna & Deuce Seats

Softail Seats

Seats for FL Models (FLT, FLTR, FLHT, Road King)

Big Twin 4 Speed Seats

Custom & Retro Seats

Accessories - Pillion pads, Bibs, etc.

Sissy Bars & Pads

Fame/Body index

Sportster Pages Index




Sportsters Rule!

or how it's often misspelled: sporster or sporster


NEW FLAT RATE SHIPPING!  No hidden fees and NO TAX! Only $12.95 in the continental. U.S., no matter how large (or heavy) your order is!  Save $$$ ... order everything you need NOW! 

Sitemap and Search Home Page Contact Us Sportster Section Catalogs

 Seats & Pillion Pads for your Sportster®

All our seats are proudly made in the U.S.A.

Flat Rate Shipping $12.95 per order
Mustang solo seat and optional rear pad from Mustang fits newer sportsters.  Made in the U.S.A.!


This smooth naugahyde covered seat features a braided edge skirt.  Seat is built on a powder coated steel basplate that is carpeted to protect the fender.  Driver seat measures 12-1/2" wide and is available for Sportsters with 3.3 gallon and 4.5 gallon tanks.  Optional Passenger seat measures 8" wide. Made in the U.S.A.

Part#: M27266 - Fits Sportster 04/L with 3.3 gallon gas tank ... $215.04

Part#: M27267 - Fits Sportster 04/L with 4.5 gallon gas tank ... $215.04

Part#: M27268 - Rear passenger seat for 04/L Sportster ... $155.00

Wide vintage Solo Seat with removable driver backrest made by Mustang.

Differs from picture, no passenger seat


Comes with fully adjustable, removable backrest.
Has built-in steel support wings to hold up the full width of foam bucket. Made in the U.S.A.

Part #: M27269 - Mustang Naugahyde Solo Seat with Backrest - Fits Sportster 04/L with 4.5 gallon tank ... $468.98

Bare Bones solo seat and pillion pad for Sportster from LePera.  Naugahyde.


Pillion Pad for passenger.

M27375 P-Pad

Seats to fit '04/L Sportsters!

LePera Silhouette Solo Seat  for '04 and Later Sportster.



Powder coated baseplate has a metal reinforced vinyl protectant around the edges and is carpeted to protect the paint. Specially poured high density Marathon molded foam. Top grade Naugahyde is pulled tight around the edges and then meticulously trimmed for the cleanest finish possible. Double top stitched with bonded polyester thread for durability and longevity. Provides a lower riding position and exposes as much of the fender and frame as possible. Naugahyde. Made in USA.

Part#:M27448 - Solo Seat - Fits all models 1982/2003... $188.86

Part#: M27375 - Pillion Pad - Fits all models 1982/2003. (Use with M27448 above) ... $108.18

Part#: M27099 - Solo Seat - Fits 883C Custom & 1200C Custom 2004/2006 ... $188.86

Sanora solo seat  for Sportster 1957 thru 1978 by LePera.



This smooth naugahyde covered seat features a flexible skirt trimmed with laced chrome conchos and studs. Built on a powder coated steel base plate that is carpeted to protect the fender, the seat measures 12 inches wide x 16 inches long x 3 inches thick. Solid mounts to frame with included brackets and hardware. Made in USA.

Part#:M27419 - Fits Sportster 1957/1978 ... $197.08

Mustang Cyclone Solo Seat, Plain Black

Studded Mustang Cyclone Solo Seat

Solo Seat with Black Distressed Inserts; Cyclone by Mustang Seats

Solo Seat with Brown Distressed Inserts by Mustang. Cyclone.


Frame Mounting Plate for Mustang Solo Seats

Frame Mounting Plate for Mustang Solo Seat Installation Detail


Solo Seat Mouting Hardware for Cross Bones FLSTB 06/L.


Inspired by early board track racers.
Engineered to fit late model bikes.
Seats are made of the highest quality expanded vinyl available.
Frame mounting plates (choose from chart below to fit your model) are constructed from marine grade fiberglass.
Edge trim installed.
Can be custom painted.
Carpeted bottom protects frame and fender from scratches.
Includes mounting hardware. Made in the U.S.A.

Part #: M27210 - Plain Solo Seat ...$205.63

Part#: M27211 - Studded Solo Seat ... $214.20

Part #: M27212 - Solo Seat with Black Distressed Inserts ... $224.45

Part #: M27213 - Solo Seat with Brown Distressed Inserts $224.45

Required Frame Mounting Plates for XL - Part # M27827 - Fits Sportster models 2004/2006 & 2010 with 3.3 or 4.5 gallon tank .... $89.00


Flat rate shipping - just $12.95 per order.


Don't see what you need?  Contact us.  Chances are we have it.  We have thousands of parts that are not shown online.

PLEASE NOTE: We Do NOT Backorder. If your item is not in stock, you will be notified and given a refund.

15 Percent Coupon, summer promo, Beer Machine

FLAT RATE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. Please see our CONTACT page for more information.

Prefer to call in your order to Steel Thunder? Call 603-237-8200.


Please note that all prices are subject to change.


Steel Thunder Custom Cycles

531 Bungy Road

Columbia, NH 03576

Copyright 2002-2013 Steel Thunder Custom Cycles©


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