AL-KO 20 mm Premium spindle nut for extendable and levelling supports 691626
17,90 €
AL-KO 20 mm Premium spindle nut for extendable and levelling supports 691626
17,90 €
Shipping price from: 6,90 €
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AL-KO 20 mm Premium spindle nut for extendable and levelling supports 691626
Product.Nr.: 990017837
Manufacturer:
- AL-KO 20 mm Premium spindle nut for the AL-KO extendable and levelling support
- Connection size M20 and spindle diameter 20 mm
- Genuine AL-KO spare part with matching reference number 691626
- Supplied complete with screws for a neat installation
- Dimensions (unpackaged): 65 x 48 x 45 mm
The 20 mm Premium spindle nut is a spare part for the AL-KO extendable support or levelling support on trailers, caravans and motorhomes. It is designed to restore functionality to an overloaded or worn levelling support. The spindle nut engages with the spindle's thread and transmits the force when lowering or raising the support. If the internal thread is damaged, worn or seized, the support leg can no longer be levelled reliably. This premium spare part fits the corresponding spindle with a 20 mm diameter and M20 thread pitch. This allows the levelling function to be restored without having to replace the entire support, provided the other components are in good working order.
This part is an original AL-KO product and is supplied complete with the necessary screws. This simplifies installation and reduces the risk of missing the correct fasteners. When selecting this part, it is important to ensure that the spindle diameter and the fixing hole diameter of the existing levelling strut match the specifications. This is the only way to guarantee a correct fit, even load distribution and trouble-free extension.
Before fitting, it is advisable to clean the support, check for any signs of wear and securely fasten the spindle nut using the screws provided. After fitting, the support should be extended and retracted several times to check that it operates smoothly and functions correctly. Regular inspection of the spindle, nut and support foot extends the service life of the levelling support and contributes to the safe parking of the trailer.
Technical specifications
- Product type: Spindle nut for extendable and levelling supports
- Brand: AL-KO
- Version: Premium
- Spindle diameter: 20 mm
- Thread size: M20
- Reference number: 691626
- Contents: Spindle nut complete with screws
- Dimensions without packaging (L x W x H): 65 x 48 x 45 mm
- Compatibility: AL-KO Premium extendable support / levelling support
- Application: Trailer spare part for levelling, extension and support leg systems
Frequently asked questions about this product
Three factors are key:
- Tube diameter — measured on the support wheel’s tube, not on the bracket. Common sizes are 35, 48 and 60 mm. It’s best to check with a calliper: a 48 mm support wheel won’t fit into a 60 mm bracket.
- Load capacity — this must match your trailer’s tongue load. A support wheel that is not strong enough will bend or become impossible to crank under load.
- Design — automatic jockey wheels fold in automatically when the trailer is coupled; basic models are cranked up by hand and locked into place.
Go straight to the right size: 48 mm jockey wheels, 60 mm jockey wheels or the full overview.
Common mistakes: ordering the wrong tube diameter; failing to crank the jockey wheel fully up or lock it in place before setting off; the clamp being too loose. A jockey wheel that spins freely can quickly cause damage on the motorway.
When it’s worth replacing: a worn-out wheel, a stiff crank, or a worn-out spindle. In most cases, a complete training wheel is cheaper than buying the parts separately.
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