HP mp3135W Bulb Lamp part number: L1621A (or L1599A)

For your projector HP mp3135W, we can only offer two bare bulb options without housing. You should buy an original lamp without housing if your priority is maximum projection quality with a minimum probability of defects or premature dimming. It is much cheaper to buy a generic lamp without housing from one of the lesser-known manufacturers.

Replacing a bare bulb in the original projector lamp housing is more challenging than replacing the entire lamp housing. You can choose from two bare bulb options - original or generic.

VIDEO - replacement of a bare bulb without housing

Bare bulb options

Original lamp without housing
The original HP mp3135W lamp is a bare bulb from one of the OEM manufacturers (Osram P-VIP, Philips UHP, Ushio, Matsushita, Iwasaki HSCR) and is designed to replace the lamp in your existing lamp housing. This solution is cheaper than a lamp with housing, although it requires a certain amount of manual skills. This option is recommended for customers who already have some experience with bare bulb replacement.

Product code: Projection quality:Reliability:

Z30939OOB

External stock

£136,36 ^[1]£113,63 excl. VAT
Generic lamp without housing
The HP mp3135W generic lamp is a bare bulb without plastic housing and is produced by an authorised manufacturer of generic bulbs. Keep in mind that replacing the bulb in the housing requires manual skills and tools. It is the cheapest option recommended for in-home use, where projection quality and reliability are not as crucial. Even though generic bulbs are not necessarily of the same quality as original manufacturer bulbs, their price nevertheless is very attractive.

Product code: Projection quality:Reliability:

Z70690OB

1-2 weeks

£89,65 ^[1]£74,71 excl. VAT

^[1]Items are shipped from the EU, but include VAT and all charges. Since we are a registered VAT payer in the UK, there are no additional charges, nor will the package be held up for customs clearance.

Delivery within 24 hours

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Only high quality lamps