LEGO part 3648a: Technic Gear 24 Tooth [Old Style - Three axle holes]
![LEGO part LEGO part 3648a: Technic Gear 24 Tooth [Old Style - Three axle holes]](https://setobrick.com/files/part-3648a.jpg)
Specifications
| Reference | 3648a |
|---|---|
| Category | Technic Gears |
| Material | ABS plastic |
| Colours | 1 |
| Sets | 29 |
| Listed pieces | 72 |
| First appearance | 1995 |
| Latest appearance | 1998 |
LEGO part 3648a, Technic Gear 24 Tooth [Old Style - Three axle holes], belongs to the Technic Gears category. It exists in 1 colours and appears in 29 sets of our database, from 1995 to 1998, for a total of 72 listed pieces. Its most common colour is Light Gray.
Number 3648a is the LEGO mould number, the one embossed under the part or inside the studs. It is the reference used by Rebrickable, BrickLink and the Pick a Brick service to name the shape regardless of colour: each shape and colour combination then gets its own element number.
Part 3648a through the years
The oldest set in our database that contains part 3648a is 8485 Control Centre / Control II, released in 1995 in the Technic theme. No set in our database uses it after 1998, the year of 8417 Mag Wheel Master. To get it today, look for older sets or buy it second-hand.
Its peak year is 1998, with 10 sets containing it. The set with the most copies is 9609 Technology Resource Set: 16 copies, against an average of 2.5 per set.
The part is closely tied to the Technic theme: 72% of the sets that contain it belong to it. With 29 sets, it ranks no. 2,205 of 2,731 parts in our database and no. 38 of 46 in the Technic Gears category.
Sets containing part 3648a, by period
| Period | Sets | |
|---|---|---|
| 1995 | 9 | |
| 1996 | 5 | |
| 1997 | 5 | |
| 1998 | 10 |
Where to buy part 3648a
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 3648a
Sets ranked by popularity that include at least one part 3648a, in any colour.
8480Space Shuttle1996 · 1,366 piecesView the set
8485Control Centre / Control II1995 · 1,067 piecesView the set
8460Pneumatic Crane Truck / Mobile Crane1995 · 863 piecesView the set
8422Circuit Shock Racer / V-Twin Super Bike1995 · 311 piecesView the set
8417Mag Wheel Master1998 · 315 piecesView the set
8425Black Hawk / Sky Stormer1996 · 469 piecesView the set
8412 Nighthawk / Sky Wasp1995 · 287 pieces
8482 CyberMaster1998 · 897 pieces
8280 Fire Engine / Fire Response Unit1995 · 439 pieces
9780 ROBOLAB Starter Building Set1998 · 1,712 pieces
8483 CyberMaster1998 · 897 pieces
3D8245 Robot's Revenge1998 · 223 pieces
9732 Extreme Creatures1998 · 149 pieces
8239 Cyber Challenge1998 · 122 pieces
8233 Blue Thunder versus The Stinger1998 · 119 pieces
8219 Go-Cart1998 · 101 pieces
9730 RoboSports1998 · 91 pieces
8414 Mountain Rambler1997 · 244 pieces
9630 Simple Mechanisms Set1997 · 219 pieces
8229 Tread Trekker1997 · 179 pieces
8222 V-TOL1997 · 141 pieces
2160 Crystal Scavenger1997 · 114 pieces
8286 3 In 1 Car / Amphipower1996 · 726 pieces
8244 Convertables1996 · 276 pieces
8223 Hydrofoil 7 / Powerboat Columbia1996 · 126 pieces
9609 Technology Resource Set1995 · 1,730 pieces
9701 Control Lab Building Set1995 · 576 pieces
8235 Front End Loader1995 · 166 pieces
9614 Pulley Set1995 · 78 pieces
Related parts
Often found with part 3648a
Parts that share the most sets with part 3648a, based on set inventories.
Technic Plate 1 x 5 with Toothed Ends, 2 Studs and Center Axle Hole2711 · 12 shared sets
Technic Axle 23704 · 11 shared sets
Technic Bush 1/2 Toothed Type II [X Opening]4265b · 16 shared sets
Wheel with Split Axle hole3482 · 14 shared sets
Technic Beam Triangle Thin [Type I]2905 · 20 shared sets
Technic Seat / Chair [3 x 2 Base]2717 · 10 shared sets
Technic Steering Arm4261 · 7 shared sets
Technic Gear 16 Tooth with Round Holes [Old Style]4019 · 17 shared sets
More parts in the Technic Gears category
6630 Technic Gear Rack 1 x 8 with Holes33 sets
6539 Technic Driving Ring 2L, 4 Ridges33 sets
18938 Technic Turntable Large Type 3 Top, 60 Tooth31 sets
35185 Technic Gear 20 Tooth Double Bevel with Clutch on Both Sides31 sets
76244 Technic Gear 24 Tooth Clutch with Dark Bluish Gray Center28 sets
57519 Technic Tread Sprocket Wheel Large 10 Tooth27 sets
6542a Technic Gear 16 Tooth with Clutch [Toothed]26 sets
50163 Technic Turntable Large Type 2, 24/56 Tooth with Black Outside Gear Section [Complete Assembly]25 sets
Frequently asked questions
How many LEGO sets include part 3648a?
Part 3648a (Technic Gear 24 Tooth [Old Style - Three axle holes]) appears in 29 sets listed on Setopedia, from 1995 to 1998, in any colour.
Which LEGO set contains the most copies of part 3648a?
Set 9609 Technology Resource Set, released in 1995, contains 16 copies, the highest count in our database. On average, a set containing part 3648a has 2.5.
Which colours does LEGO part 3648a come in?
1 colours are listed for part 3648a. The most common is Light Gray, found in 29 sets.
Is LEGO part 3648a still used in recent sets?
Not in our database: its last set dates from 1998 (8417 Mag Wheel Master). Look for it in second-hand sets or on BrickLink.
Where can I buy LEGO part 3648a individually?
Single parts 3648a can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.
How do I identify a LEGO part number?
The mould number is embossed under the part or inside the studs. For the Technic Gear 24 Tooth [Old Style - Three axle holes], it is number 3648a, shared by all its colours.

Technic Gear 24 Tooth [New Style with Single Axle Hole]3648b · Same mould