Steel Thunder Custom Cycles Motorcycle Parts store for Harley-Davidson and custom bikes.

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Steel Thunder Custom Cycles
3418 Teagues Road
Marshfield, MO 65706
417-468-2326

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 Charging Systems   

Regulators, Rectifiers, Stators, Rotors, Generators and Complete Charging Systems for American V-Twin Motorcycles (HD & Custom)

Battery Tenders & Chargers

32 AMP

High output charging system from Compu-fire, 32 amp. for Harley Davidson and custom American motorcycles.
HIGH OUTPUT CHARGING SYSTEMS FOR BIG TWIN - Compu-Fire

These systems feature a series type regulator/rectifier that unloads the stator when the battery is at full charge letting the engine spin easier than the OEM shunt type which creates a constant drag. This not only extends the life of the charging system, it increases fuel mileage and frees up horsepower.
The rotor has been upgraded to an improved method of gluing the magnets to prevent them from coming off like the OEM rotors are known to do.
Fits Big Twin 1970/1999 (except TC88 & FLT 1995/1999 with EFI) .Made in the U.S.A.

Part#:MU17827 - Charging System. 32 amp. ...$247.33 including shipping*

Rotor, 22, 32, & 40 AMP

Motorcycle Rotor for 22, 32 & 40 amp Big Twins.

ROTOR FOR BIG TWIN - Compu-Fire

The rotor has been upgraded to an improved method of gluing the magnets to prevent them from coming off like the OEM rotors are known to do.
The rotor can be used as a replacement rotor for the OEM 22 amp and 32 amp charging system, but also works in conjunction with the Compu-Fire 32 amp and 40 amp charging systems. Fits Big Twin 1970/1999 (except TC88 & FLT 1995/1999 with EFI). Made in the U.S.A.

Part#:MU17826 - Rotor. 22,32 & 40 amp Rotor. Fits Big Twin 1981/1999 (except TC88 & FLT 1997/1998 with EFI). ...$108.33 including shipping*

Rotor, 22 & 32 AMP

Performance alternator rotor for 22 amp and 32 amp Big Twin HD motorcycles.

PERFORMANCE ALTERNATOR ROTOR FOR 22 AND 32 AMP BIG TWIN - V-Factor

This alternator rotor features a fully encased set of magnets that have no way of working loose like the OEM rotor is known to do. Instead of having just six long magnets like the OEM rotor, this rotor has 12 short magnets to match the number of laminated windings found on the stator. The steel housing is fully machined for perfect concentricity and the inner and outer washer is integrated into the housing with a full complement spline. this type of washer/housing configuration produces a spline with a .075" thick inside integrated washer and a .220" thick outside integrated washer with an overall width of .470" as opposed to the less than adequate OEM thickness of .187". Not only is this rotor a sensible replacement part for stock size motors, it is almost a mandatory item for high performance motors. Fits Big Twin models 1981/1997 with a 22 amp or a 32 amp charging system. Will not fit EFI models.

Part#:MU17829 ... $127.19 including shipping*

11 Note: 1991/1997 models may require an additional .030" external shim on the sprocket shaft. Always check alignment of the primary chain/belt.

Alternator Stators for Big Twin and Sportster motorcycles from ACCEL. Unmolded style.

Unmolded

Molded style alternator stator for Big Twin and Sportster motorcycles from ACCEL.

Molded

ALTERNATOR STATORS FOR BIG TWIN AND SPORTSTER - ACCEL

ACCEL LECTRIC Stators are the best available and include a Manufacturer's limited lifetime replacement warranty. Made in the U.S.A. Prices include shipping*


For Charging System Tester, see Tools.



See charts below for plug types and for applications and prices.

A type plug

A

B type plug

B

C type plug for Alternator Stator.

C

D style plug.

D

E type plug for Alternator stator for Sportster 91/L.

E

F style plug.

F

E style plug.

G

Model & Year
Amp
Rpls. HD
Plug Type
Stator Type
Part #
Price
Buy Now
Big Twin 1970/75
15
29965-70
B
Unmolded
MU17813
$172.57
Big Twin 1976/80
17.8
29965-75
C
Molded
MU17814
$121.79
Big Twin 1981/88
22
29965-81B
A
Molded
MU17815
$112.70
Unmolded
MU17816
$112.70
Big Twin 1989/96 (Except EFI), Softail 1997/99 & Dyna 1999
32
29970-88C
D
Unmolded
MU17821
$69.32
FLH & FLT models 1997/98
38
29987-97
F
Unmolded
MU17832
$210.93
FLH & FLT models 1999/2001
38
29987-99
G
Unmolded
MU17831
$210.93
Sportster 1991/Later
22
29967-89
E
Unmolded
MU17820
$112.70

Electronic regulator style 1.

Style 1

Electronic reglator / rectifier for Big Twin and Sportster, style 2.

Style 2

Electronic regulator/rectifier for ALternator models, style 3.

 

Style 3

Ness style electorinc regulator / rectifier for Alternator models.

Ness Style

ELECTRONIC REGULATORS AND REGULATOR/RECTIFIERS FOR BIG TWIN AND SPORTSTER - ACCEL

Chrome Plated.
Improved circuitry combined with high performance components provide superior operation and reliability.
Covered by the manufacturer's limited replacement warranty. Made in the U.S.A.
Lead wire to be cut to proper length and terminated by installer on plugs A,B,C & G style plug. See charts below. Prices include shipping*.

Plug style A.

A

Plug styel B for Big Twin motorcycles.

B

Plug style C for regulator - rectifier for Alternator models.

C

No image available.

D

Plug style E

E

Plug style F (no plug!)

F

Plug style G

G

Plug style H for Dyna.

H

Plug style I for regulator / rectifiers for Alternator models.

I

12 Volt Regulators for Generator Models
Model & Year
Rpls. HD
Amps
Plug Type
Style
Part #
Price
Buy Now
Big Twin 1965/69 & Sportster 1965/77 (except XLCR)
Replaces Mechanical Regulator
__
F
1
MU16212
$108.25
XLCR 1977/78 & Sportster 1978/81
74504-78
10
D
1
MU16210
$117.79
Regulator/Rectifiers for Alternator Models
Model & Year
Rpls. HD
Amps
Plug Type
Style
Part #
Price
Buy Now
Big Twin 1970/75 (requires MU16306 or MU16308 Two bolt type mount, found below)
74510-70A
15
B
1
MU16220
$142.47
 
Big Twin 1976/80
74512-79A
17.8
C
1
MU16209
$116.79
Big Twin 1981/88
74516-86
22
A
1
MU16222
$197.14
Softail 1989/99, FXR 1989/94, FLT models 1989/96 (except EFI) & Dyna 1991/98
74519-88
32
G
1
MU16252
$166.72
FLH & FLT 1997/2001
74505-97
38
I
3
MU16298
$226.61
Dyna 1999/Later
74518-99A
32
H
1
MU16296
$128.21
Softail 2000
74512-00
32
H
1
MU16295
$128.21
Softail 2001/Later
74610-01
38
I
2
MU16297
$168.14
Sportster Late 1984/1990
74523-84A
19
E
1
MU16241
$125.36
Sportster 1991/2003
74523-91, 74523-92
22
E
1
MU16261
$135.45

Stator mounting hardware kit.

 

 

#MU17823 Kit

 

Stator mounting hardware, lock plates.

 

 

 

 

#MU17824 Lock Plates

STATOR MOUNTING HARDWARE FOR BIG TWIN 1970/LATER

Don't be sorry, be sure when replacing the stator with this Stator Mounting Hardware Kit and Backing Plates. If an ounce of prevention is worth a pound of cure, then it would be wise to replace the mounting hardware when replacing the stator. No one wants to do the same job twice and imagine the damage should the old hardware loosen and back off into the alternator!

Part#: MU17823 - Kit fits Big Twin 1970/Later and Lock Plates. Kits are sold each. ... $2.68 - FOR PURCHASE WITH REGULATOR/ RECTIFIER ONLY . Call to purchase alone, shipping may be added depending on order total.

Part#: MU17824 fits Big Twin 1970/1985. Lock Plates are sold in pairs. ... $5.72- FOR PURCHASE WITH REGULATOR/ RECTIFIER ONLY. Call to purchase alone, shipping may be added depending on order total.

Mounting bracket for electronic regulator /rectifier.

ELECTRONIC REGULATOR/RECTIFIER MOUNTS FOR BIG TWIN - V-Factor

These mounting brackets fit OEM and aftermarket regulators and rectifiers as listed. All meet or exceed OEM specifications.
OE style mount. Fits Big Twin 4 speed 1976/1986 and Softail 1984/1986. Part#:MU16306 ... $16.84

FOR PURCHASE WITH REGULATOR/RECTIFIER. Call to purchase alone, shipping may be added depending on order total. Minimum order total is $35.00.

MORE PRODUCTS BELOW: Helpful Hint: When replacing stators, it is a good idea to replace the mounting screws and use a blue or red Locktite to ensure that is will not come loose. Loose stators will cause a knock and damage the small 10-24 mounting holes. These holes can be very difficult to repair. (We have a Locktite Stick Kit available on Tools page.)
Voltage Reulator/rectifier for Carbureted single cam big tiwn, in 15 or 32 amp.

VOLTAGE REGULATOR/RECTIFIERS FOR BIG TWIN - Compu-Fire

Designed to reduce unnecessary drag on the engine, these regulator/rectifiers are of the "series" type that actually unloads the stator whenever the battery reaches full charge. The OEM "shunt" style grounds the system at full charge, creating a continuous drag on the engine. The chrome plated die cast housing measures a mere .750" thick (except 16206) and all of the electronics are fully potted so vibration and the elements cannot affect its performance. Instructions included. Made in the U.S.A.

Part#: MU16281 - Carbureted Single Cam Big Twin. 32 amp. Fits Big Twin 1989/1999 (except EFI & TC 88). Plug Style D. ...$ 149.62 including shipping*

Generators

 

12-volt gnerator with built-in regulator.

Also fits Servi-Car

12-VOLT GENERATOR WITH BUILT-IN REGULATOR FOR ELECTIC START MODELS - Cycle Electric Inc.

Integrated design combines the solid state regulator into the end of the generator for an uncluttered look with simplified wiring.
The regulator incorporates the armature support bearing to keep the overall length (7.58" from gasket surface fins) to a minimum.
The regulator not only controls voltage, it limits current (amps) in an inverse proportion by sensing the temperature of the armature. As the temperature increases, the amperage decreases. This provides more amps after a cold start to recharge the battery faster (5 minutes instead of 20) yet protects against overheating.
Instruction are included. 2 Year Limited Warranty. Made in the U.S.A.

Part#:DS195110- Standard Amperage generator for electric start models with 19 through 28 amp battery. Fits Big Twin 1965/1969, Sportster 1965/Early 1984 and Servi-Car 1965/1973. Can also be used on all models 1958/1964 to convert from 6-volt to 12-volt generator system. Black finish. ... $416.85 including free shipping*

note: THIS IS A SPECIAL ORDER ITEM.  SPECIAL ORDER ITEMS TAKE A FEW EXTRA DAYS TO SHIP.  NO RETURNS ON SPECIAL ORDER ITEMS.

Model 65A 12-volt generators for Harley-Davidson motorcycles, chrome plated.

Model 65A 12-volt generator for Harley-Davidson motorcycles, black.

MODEL 65A 12-VOLT GENERATORS FOR ALL MODELS - V-Factor

These high quality generators are available in chrome or black. They meet or exceed OEM specifications throughout. All Harley-Davidson or our replacement internal components can be used. Fits Big Twin 1965/1969, Sportster 1965/1981 and Servi-Car 1965/1973 with 12-volt generator system. Can also be used on all models 1958/1964 to convert from 6-volt to 12-volt generator system. Drive gear not included.

Part#: MU17002 - Chrome Plated Generator. (Rpls. HD 29976-83T) ... $197.72 including shipping*

Part#:MU17001 - Black Generator. (Rpls. HD 29975-65TA) ... $185.16 including shipping*

*FREE SHIPPING APPLIES IN CONTINTENTAL 48 UNITED STATES ONLY. AK, HI and APO/FPO will have additional shipping fees. We ship only within the U.S.A. and to APO/FPO (military addresses; weight and size restrictions apply.). We do not accept foreign credit cards. Sorry, we do not ship to Puerto Rico.

Prefer to call in your order to Steel Thunder? Call toll-free: 1-866-889-7828. 9-5 CST M-F.

FREQUENTLY ASKED QUESTIONS

Please note that all prices are subject to change.

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Steel Thunder Custom Cycles

3418 Teagues Road

Marshfield, MO 65706

417-468-2326

We hope you'll come visit us ... we'd love to see your ride!

 

 

With God All Things are Possible!

 

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