4x4 X-treme Off-Roader (42099-1) is a Technic LEGO set released in 2019 with 958 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Technic sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 133 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Parts in this set
133 parts · page 1 of 3 · updating…
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![Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]](https://cdn.rebrickable.com/media/parts/elements/4289538.jpg)
Bar 1L with Clip [Cut Edges and One Side Hole] [Gap in Clip]48729b · ×2 · Black -
Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end25214 · ×12 · Black -
Hose Rigid 3mm D. 14L / 11.2cm75c14 · ×2 · Black -
Hub, Powered Up 4-Port (Technic Control+) - Clip Opening22127 · ×1 · Light Bluish Gray -
Motor, Large, Powered Up22169 · ×1 · Dark Bluish Gray -
Motor, XL, Powered Up22172 · ×2 · Dark Bluish Gray -
Plate 1 x 13024 · ×2 · Trans-Red -
Plate 1 x 23023 · ×2 · Light Bluish Gray -
Plate 1 x 23023 · ×2 · Trans-Red -
Plate 1 x 23023 · ×6 · Trans-Clear -
Plate 1 x 43710 · ×2 · Black -
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)4032a · ×2 · Black -
![Plate Round 2 x 2 with Rounded Bottom [Boat Stud]](https://cdn.rebrickable.com/media/parts/elements/4278412.jpg)
Plate Round 2 x 2 with Rounded Bottom [Boat Stud]2654 · ×2 · Trans-Clear -
Sticker Sheet for Set 42099-151341 · ×1 · [No Color/Any Color] -
Technic Axle 103737 · ×1 · Red -
Technic Axle 103737 · ×6 · Black -
Technic Axle 123708 · ×1 · Red -
Technic Axle 2 Notched32062 · ×29 · Red -
Technic Axle 34519 · ×23 · Light Bluish Gray -
Technic Axle 3 with Stop24316 · ×8 · Reddish Brown -
Technic Axle 43705 · ×10 · Black -
Technic Axle 4 with Centre Stop99008 · ×5 · Tan -
Technic Axle 4 with Stop87083 · ×7 · Dark Bluish Gray -
Technic Axle 532073 · ×5 · Yellow -
![Technic Axle 5.5 with Stop [Rounded Short End]](https://cdn.rebrickable.com/media/parts/elements/4508553.jpg)
Technic Axle 5.5 with Stop [Rounded Short End]59426 · ×1 · Dark Bluish Gray -
Technic Axle 63706 · ×2 · Black -
Technic Axle 744294 · ×1 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #132013 · ×14 · Black -
Technic Axle and Pin Connector Angled #2 - 180°32034 · ×5 · Black -
Technic Axle and Pin Connector Angled #2 - 180°32034 · ×2 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #4 - 135°32192 · ×4 · Black -
Technic Axle and Pin Connector Angled #5 - 112.5°32015 · ×2 · Light Bluish Gray -
Technic Axle and Pin Connector Angled #6 - 90°32014 · ×2 · Black -
Technic Axle and Pin Connector Perpendicular6536 · ×26 · Black -
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes42003 · ×10 · Black -
Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes42003 · ×4 · Red -
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole32184 · ×5 · Light Bluish Gray -
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole32184 · ×1 · Yellow -
Technic Axle and Pin Connector Perpendicular Double32291 · ×4 · Black -
Technic Axle and Pin Connector Perpendicular Double Split41678 · ×4 · Orange -
Technic Axle and Pin Connector Perpendicular Triple63869 · ×13 · Black -
Technic Axle and Pin Connector Perpendicular Triple63869 · ×2 · Light Bluish Gray -
Technic Axle and Pin Connector Toggle Joint Smooth32126 · ×4 · Black -
![Technic Axle Connector Smooth [with x Hole + Orientation]](https://cdn.rebrickable.com/media/parts/elements/6143028.jpg)
Technic Axle Connector Smooth [with x Hole + Orientation]59443 · ×1 · Orange -
Technic Axle Connector with Axle Hole32039 · ×2 · Yellow -
Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle11214 · ×30 · Red -
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle18651 · ×6 · Black -
Technic Axle Pin with Friction Ridges Lengthwise43093 · ×54 · Blue