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2003
Harley-Davidson
Softail Springer

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Harley Davidson Softail Slim 66 Tooth Rear Pulley 37778 07

5.02 product ratings
Highside Cycles (42159)
99.8% positive feedback
Price:
$90.00
+ $14.95 shipping
Estimated delivery Thu, Sep 4 - Mon, Sep 8
Returns:
30 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Condition:
Used
DRIVE PULLEY 66T is in good serviceable condition with signs of wear consistent with normal use & age. The DRIVE PULLEY is Straight. All of the teeth/splines look good. Shows scuffs and scratches from normal wear.
See full description

About this product

Product Identifiers

BrandHarley-Davidson
Manufacturer Part Number3777807
eBay Product ID (ePID)1523040583

Product Key Features

Performance PartNo
ColorBlack
Vintage PartNo
Universal FitmentNo
Placement on VehicleRear
Machine TypeStreet Motorcycle
MaterialAluminum
Superseded Part Number37778-07
TypePulley
OE/OEM Part Number37778-07

Dimensions

Item WidthDoes Not Apply

All listings for this product

Buy It Now
Pre-owned
5050210 H-DAVIDSON OEM 66 TOOTH BLACK REAR PULLEY SOFTAIL DYNA 1" BELT 37778-07
item 1 5050210 H-DAVIDSON OEM 66 TOOTH BLACK REAR PULLEY SOFTAIL DYNA 1" BELT 37778-07
$90.00
HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
item 2 HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
$79.00
+$17.00 shipping
07-11 Harley FLSTC Heritage Softail Classic Rear Wheel Belt Pulley 37778-07
item 3 07-11 Harley FLSTC Heritage Softail Classic Rear Wheel Belt Pulley 37778-07
$97.49
Free shipping
Harley-Davidson Softail Black Sprocket OEM Pulley 07-11 66T 37710-07
item 4 Harley-Davidson Softail Black Sprocket OEM Pulley 07-11 66T 37710-07
$100.00
Genuine Harley M8 Softail Deluxe Slim FXST Black 66T 1" Belt Drive Pulley 07-25
item 5 Genuine Harley M8 Softail Deluxe Slim FXST Black 66T 1" Belt Drive Pulley 07-25
$100.00
Free shipping
Genuine Harley Softail Slim Fatboy Lo Black 66T 1" Belt Drive Pulley 2007-2025
item 6 Genuine Harley Softail Slim Fatboy Lo Black 66T 1" Belt Drive Pulley 2007-2025
$100.00
Free shipping
Harley-Davidson 2013 Softail Heritage Rear Pulley Sprocket 66T 37778-07
item 7 Harley-Davidson 2013 Softail Heritage Rear Pulley Sprocket 66T 37778-07
$102.46
Free shipping
GENUINE HARLEY FLT DYNA SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
item 8 GENUINE HARLEY FLT DYNA SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
$89.98
+$12.98 shipping
1384 08 HARLEY-DAVIDSON SOFTAIL REAR PULLEY DRIVE BELT SPROCKET 66T
item 9 1384 08 HARLEY-DAVIDSON SOFTAIL REAR PULLEY DRIVE BELT SPROCKET 66T
$90.00
+$14.95 shipping
Harley 37778-07 Black Rear Drive Pulley Softail,dyna,flt
item 10 Harley 37778-07 Black Rear Drive Pulley Softail,dyna,flt
$110.00
Free shipping
HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
item 11 HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
$95.00
+$15.00 shipping
Harley Davidson 07-24 Softail Belt Pulley Sprocket 37778-07 66t    15062
item 12 Harley Davidson 07-24 Softail Belt Pulley Sprocket 37778-07 66t    15062
$100.00
+$13.00 shipping
Harley-Davidson 2018-22 OEM Dyna Softail Rear Pulley 66T Sprocket 37778-07
item 13 Harley-Davidson 2018-22 OEM Dyna Softail Rear Pulley 66T Sprocket 37778-07
$116.74
Free shipping
2019 Harley Davidson FLSB Sport Glide OEM Front Rear Drive Belt Pulleys Bolts
item 14 2019 Harley Davidson FLSB Sport Glide OEM Front Rear Drive Belt Pulleys Bolts
$118.54
Free shipping
2021 Harley Davidson FXBBS Street Bob Front Rear Back Belt Pulley Sprocket Gear
item 15 2021 Harley Davidson FXBBS Street Bob Front Rear Back Belt Pulley Sprocket Gear
$118.57
Free shipping
Harley-Davidson 2007-2023 Softail Fatboy Black 66T Rear Belt Drive Pulley
item 16 Harley-Davidson 2007-2023 Softail Fatboy Black 66T Rear Belt Drive Pulley
$99.99
+$18.95 shipping
Harley Davidson 07-24 Softail Belt Pulley Sprocket 37778-07 66t   14506
item 17 Harley Davidson 07-24 Softail Belt Pulley Sprocket 37778-07 66t   14506
$110.00
+$10.00 shipping
Harley-Davidson 2015 Softail FLS Rear Pulley Sprocket 66 Teeth 37778-07
item 18 Harley-Davidson 2015 Softail FLS Rear Pulley Sprocket 66 Teeth 37778-07
$121.26
Free shipping
HARLEY DAVIDSON SOFTAIL SPROCKETS PULLEY FRONT REAR 32T 66T BELT DRIVE OEM #53
item 19 HARLEY DAVIDSON SOFTAIL SPROCKETS PULLEY FRONT REAR 32T 66T BELT DRIVE OEM #53
$129.99
Free shipping
2024 Harley Davidson FXBBS Street Bob Front Rear Back Belt Pulley Sprocket Gear
item 20 2024 Harley Davidson FXBBS Street Bob Front Rear Back Belt Pulley Sprocket Gear
$139.49
Free shipping
Harley-Davidson 37778-07 Rear 66T Belt Drive Pully Sprocket 07-24 Softail Fatboy
item 21 Harley-Davidson 37778-07 Rear 66T Belt Drive Pully Sprocket 07-24 Softail Fatboy
$125.00
+$19.20 shipping
2021 Harley Softail FXBBS Street Bob Rear Drive Belt Pulley Sprocket 66 37778-07
item 22 2021 Harley Softail FXBBS Street Bob Rear Drive Belt Pulley Sprocket 66 37778-07
$148.00
+$18.00 shipping
21 Harley Davidson Street Bob FXBBS Rear Drive Sprocket 37778-07
item 23 21 Harley Davidson Street Bob FXBBS Rear Drive Sprocket 37778-07
$166.37
Free shipping
18-23 Harley Softail FXBB FXBBS Street Bob Rear Drive Belt PULLEY Sprocket
item 24 18-23 Harley Softail FXBB FXBBS Street Bob Rear Drive Belt PULLEY Sprocket
$174.00
Free shipping
Harley Davidson oem Rear Belt Pulley 66 Tooth #37778-07
item 25 Harley Davidson oem Rear Belt Pulley 66 Tooth #37778-07
$160.00
+$19.99 shipping
2018 Harley Davidson Street Bob FXBB Rear Back Final Drive Sprocket 66T
item 26 2018 Harley Davidson Street Bob FXBB Rear Back Final Drive Sprocket 66T
$185.00
Free shipping
Harley Davidson oem 66 Tooth Black Rear Belt Pulley #37778-07
item 27 Harley Davidson oem 66 Tooth Black Rear Belt Pulley #37778-07
$180.00
+$19.99 shipping
HARLEY DAVIDSON SOFTAIL FATBOY HERITAGE 66T 1'' BLACK TEXTURE REAR BELT PULLEY.
Last one
item 28 HARLEY DAVIDSON SOFTAIL FATBOY HERITAGE 66T 1'' BLACK TEXTURE REAR BELT PULLEY.
$199.00
+$14.50 shipping
2018 Harley FLHCS Softail Heritage 115th Rear Drive Belt Pully 66T 24mm 37778-07
item 29 2018 Harley FLHCS Softail Heritage 115th Rear Drive Belt Pully 66T 24mm 37778-07
$69.99
Harley Davidson Soft-Tail Rear Rear Drive Pulley
item 30 Harley Davidson Soft-Tail Rear Rear Drive Pulley
$80.00
2018 Harley FXBR Softail Breakout Rear Drive Belt Pulley 66T 37778-07
item 31 2018 Harley FXBR Softail Breakout Rear Drive Belt Pulley 66T 37778-07
$89.99
2014 Harley FLS Softail Slim Rear Drive Belt Pulley 66T 24mm 37778-07
item 32 2014 Harley FLS Softail Slim Rear Drive Belt Pulley 66T 24mm 37778-07
$89.99
2011 Harley Softail FXS Blackline Rear Drive Belt Pulley Sprocket 66T 37778-07
item 33 2011 Harley Softail FXS Blackline Rear Drive Belt Pulley Sprocket 66T 37778-07
$89.99
2016 Harley Softail FLS Slim Rear Drive Belt Pulley 66T 24mm 37778-07
item 34 2016 Harley Softail FLS Slim Rear Drive Belt Pulley 66T 24mm 37778-07
$89.99
2014 Harley FLS Softail Slim Rear Drive Belt Pulley 66T 24mm 37778-07
item 35 2014 Harley FLS Softail Slim Rear Drive Belt Pulley 66T 24mm 37778-07
$89.99
Harley Softail Rear Belt Pulley 66T, '07-'22
item 36 Harley Softail Rear Belt Pulley 66T, '07-'22
$90.00
HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
item 37 HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
$90.00
Genuine Harley M8 Softail Fatboy Heritage 68T 1" Belt Drive Pulley 07-25 1N
item 38 Genuine Harley M8 Softail Fatboy Heritage 68T 1" Belt Drive Pulley 07-25 1N
$99.99
Harley-Davidson 2009 Softail Heritage Rear Pulley Sprocket 66T 37778-07
item 39 Harley-Davidson 2009 Softail Heritage Rear Pulley Sprocket 66T 37778-07
$102.46
Harley-Davidson 2015 Softail Slim Rear Sprocket Pulley 66T 37778-07
item 40 Harley-Davidson 2015 Softail Slim Rear Sprocket Pulley 66T 37778-07
$111.86
Harley-Davidson Softail 66T Rear Drive Pulley Sprocket 37778-07 Powder Coated
item 41 Harley-Davidson Softail 66T Rear Drive Pulley Sprocket 37778-07 Powder Coated
$120.00
HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
item 42 HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
$121.50
HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
item 43 HARLEY DAVIDSON GENUINE SOFTAIL 66T REAR DRIVE PULLEY SPROCKET 37778-07
$121.50
HARLEY DAVIDSON SOFTAIL FATBOY HERITAGE 66T 1'' BLACK TEXTURE REAR BELT PULLEY
Last one
item 44 HARLEY DAVIDSON SOFTAIL FATBOY HERITAGE 66T 1'' BLACK TEXTURE REAR BELT PULLEY
$209.00
listings for this product

Ratings and Reviews

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5.0
2 product ratings
  • 2 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • by frogman65
    Mar 27, 2025

    I haven't installed this yet, but I'm su...

    I haven't installed this yet, but I'm sure the pulley will work fine

    Verified purchase: YesCondition: Pre-owned

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