Replacement Viewsonic PX728-4K Projector Lamp with Philips UHP Bulb

Item: PX728-4K Lamp Module Replacement by Viewsonic

Bulb Type: Genuine Original Philips Projector Bulb. For peak performance and reliability, insist on Genuine Philips UHP technology. To learn why, read this blog post here for more information on Philips UHP Bulbs.

Projector Manufacturer: Viewsonic

Power Rating: 270 Watts

Brightness: 4000 Lumens

Lamp Life: 4000 hours. Eco-mode can extend usage to 20000 hours

Availability: 17 units of the Viewsonic PX728-4K lamp currently in stock

Free same-day shipping and guaranteed lowest pricing. Since 1997, ProjectorLamps.com has offered Original PX728-4K Replacement Lamps. Every lamp includes the Genuine Philips UHP Bulb for unmatched brightness and longevity.

Replacement Viewsonic PX728-4K Projector Lamp with Philips UHP Bulb

Type of Lamp: Original Philips Projector Lamp Bulb

Item Details: PX728-4K Projector Lamp Module by Viewsonic

This lamp provides a lifespan of 4000 hours, with an eco-mode extending it up to 20000 hours.

Brightness: 4000 Lumens

Power Rating: 270 Watts

Currently, 17 units of the Viewsonic PX728-4K replacement lamp are available in stock.

Enjoy free same-day shipping and competitive pricing. Since 1997, ProjectorLamps.com has offered Original PX728-4K Replacement Lamps. We guarantee the lowest pricing on Original Viewsonic PX728-4K Lamps with housings for Viewsonic projectors and offer our 180 day guarantee on every Lamp.

Genuine Philips Bulb Inside
180-Day Warranty
Free Ground Shipping on ALL Orders
Orders placed now will ship Monday, 3/16/2026

Sale Price: $172.40

(17)

In Stock

This product can also be used with:

Brand	Model #
BenQ LCD Projector Lamp	5J.JHH05.001 5J.JHN05.001 5J.JKX05.001 5J.JNL05.001 HT2550 MU607 MU613 MU641 TH585 TH585P TH685 TH685i TK700 TK700STi TK800 TK800M W1700 W1800 W1800i
Viewsonic Projector Lamp	PG700WU PG705HD PG705WU PX700HD PX700HDH PX701-4K PX701-4KPROX PX727-4K PX729-4KS PX747-4K PX748-4K PX749-4K RLC-116 RLC-117 RLC-126 RLC-127 VS17058

3 Customer Review(s)

5 Star

3 (100%)

4 Star

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Please rate your purchasing experience with Projectorlamps.com and the overall quality of this lamp star

The new Viewsonic projector lamp is working great! I really appreciate how helpful the folks at Projectorlamps.com were when I called. They made sure I got the right Philips UHP bulb for our PX728-4K, and that saved me a ton of hassle.

Reviewed by Reviewed by Anonymous

7/20/2025 2:33:37 PM

Please rate your purchasing experience with Projectorlamps.com and the overall quality of this lamp star

The PX728-4K lamp was a breeze to install and the image quality is stunningly crisp with vibrant colors. Ordering from Projectorlamps. com was straightforward, and I appreciated the quick delivery.

Reviewed by Reviewed by Anonymous

6/4/2025 10:21:26 AM

Please rate your purchasing experience with Projectorlamps.com and the overall quality of this lamp star

Highly reliable design

Reviewed by Reviewed by Anonymous

4/25/2025 2:15:00 AM