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Part
Pneumatic Hose Connector with Axle Connector
99021
Pneumatics
Appears in 260 official sets
Pneumatic Hose Connector with Axle Connector (part 99021) is a Pneumatics used in 260 official LEGO sets. Scan or search to authenticate loose parts and check market value. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.
- → Category: Pneumatics
- → Appears in 260 official sets
- → Scan a photo to identify this part instantly
- → Compare market prices
Color variants
Blue
Dark Bluish Gray
Dark Brown
White
Bright Green
Sets containing this part
291 sets · page 1 of 13
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Tulip Bouquet11501-1 · 2026 -
Privateer Frigate Fortuna910059-1 · 2026 -
Wild Animals: Colorful Hummingbird31384-1 · 2026 -
Iconic Pirate Ship31387-1 · 2026 -
McLaren Mastercard F1 Team Lando Norris Helmet43023-1 · 2026 -
Batman v Superman Batmobile76331-1 · 2026 -
Tiger Shark Tank71515-1 · 2026 -
Daisies11508-1 · 2026 -
Dragonfly Garden5009934-1 · 2026 -
Gold Mine Expedition910055-1 · 2026 -
Cement Mixer60478-1 · 2026 -
Mercedes-Benz Unimog U 5023 with Crane42242-1 · 2026 -
McLaren Mastercard F1 Team Oscar Piastri Helmet43017-1 · 2026 -
Time Machine from Back to the Future77256-1 · 2026 -
The Dragon of Life71859-1 · 2026 -
BMW M4 GT3 EVO Race Car42226-1 · 2026 -
Cosmos Flowers11514-1 · 2026 -
Drive-Through Car Wash60497-1 · 2026 -
Yellow Taxi60487-1 · 2026 -
Surfing Dogs and Scooter Adventure42641-1 · 2025 -
The City Tower60473-1 · 2025 -
Retro Telephone31174-1 · 2025 -
Hogsmeade Village – Collectors' Edition76457-1 · 2025 -
Field Flowers30701-1 · 2025