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Description
Rostra 250-1903-BZ35 BackZone Plus Rear-Mount Ultrasonic Automotive Parking Assistance System with 4-Sensors, Digital Display, and 35-Foot HarnessIntroducing BackZone 35 (250 1903 BZ35), Rostras latest addition to our comprehensive line of vehicle parking assistance systems. Designed around the durable components that comprise our BackZone 35 system, BackZone 35 expands the usefulness of that system by adding an extra 10 feet to the sensor extension harness and a more powerful control module. Key features of this system include the following: Smaller Audible Visual Display Compared to Rostras
Introducing BackZone 35 (250-1903-BZ35), Rostra’s latest addition to our comprehensive line of vehicle parking assistance systems. Designed around the durable components that comprise our BackZone 35 system, BackZone 35 expands the usefulness of that system by adding an extra 10 feet to the sensor extension harness and a more powerful control module. Key features of this system include the following:
Smaller Audible/Visual Display
Compared to Rostra’s standard BackZone Plus and FrontZone parking assistance systems, the BackZone 35 includes a dashboard/visor mount display with a smaller overall footprint designed to more seamlessly blend into a vehicle’s interior.
35-Foot Truck Harness
BackZone 35 sensor-to-module wire harnessUltrasonic parking assistance systems typically require the use of harness extensions when being installed onto light or heavy-duty trucks. These extensions can introduce multiple points of failure and interference. That changes with BackZone 35. Each BackZone 35 system includes a weather-proof 35’ harness designed to connect the four bumper-mounted ultrasonic sensors to the BackZone control module in a single run.
BackZone 35 Control Module
BackZone 35 contorl module with advanced object detectionThe BackZone 35 control module is specific to this particular parking assistance system and includes an internal electronics redesign necessary to transmit interference-free signals from the bumper-mounted ultrasonic sensors along the 35-foot harness.
- Safer Parking Decisions - Make safer parking decisions by using a BackZone 35 automotive parking assist to alert you to obstacles closing in on your vehicle while parking.
- Ultrasonic Detection - BackZone Plus' advanced ultrasonic-based technology means the system offers consistency on targets of all densities with fewer false alarms.
- Paintable Bumper Sensors - The flat black sensors included with each 250-1903-BZ35 BackZone 35 kit can be painted to match the factory fit and finish of your car!
- Audible Alarm - The audible alarm included in each BackZone Plus automotive parking assist kit provides a unique way of alerting drivers to nearby unseen obstacles.
BackZone 35 Included Components
- Full-color retail packaging with space of barcode labels.
- Glossy installation/owner’s manual with high-resolution images.
- Drilling template for accurately aligning sensors to bumper.
- Four flush-mount ultrasonic sensors with paintable bezel.
- Four rubber insulator sensor sleeves for use on steel bumpers.
- Four under-bumper mounts for mounting beneath bumpers.
- Stainless steel under-bumper mounting hardware.
- 35-foot sensor to control module extension harness.
- BackZone 35 control module with advanced firmware.
- Dashboard/Visor audio-visual display *.
- Standalone buzzer (for audio alerts only) **.
- 19-foot module-to-display extension harness.
- 21.5 mm hole saw for use with sensor-only installation.
- 24.5 mm hole saw for use with rubber insulator installation.
- Two-wire harness for making power and ground connections.
- Two quick splice connectors for use on power and ground wires.
- Cable ties for securing extension harness to vehicle body.
- Four 6-degree angled sensor bezels for angled bumper covers.
- Four 12-degree angled sensor bezels for angled bumper covers.
- 3M VHB mounting tape to secure control module in place.
- 3M VHB mounting tape for securing dashboard display in place.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 924 reviews
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Product Reviews
★★★★★ 5
Sturdy ball, holding up well.
Color: Purple
I have a ball obsessed Shih Tzu. This has become his security blanket. He literally takes it everywhere and even sleeps with it next to him. Dexter loves any ball. All shapes and sizes. He will play fetch all day long if you let him. He doesn't know when to quit. It can be 100 degrees out with 80% humidity and he'll fetch all day long.
This is a larger ball, I think just over 3 inches. It is entirely too big for a Shih Tzu, but it is perfect for Dexter. He came to us with a ball similar to this that he has since lost. He carries it in his mouth by placing his incisors in the indentations and lets it hang out the side of his mouth. Quite comical actually, but it works for him. We have bought him balls more for his size, but they're too small and he gets them lost under cabinets, furniture or any nook and cranny the ball will fit. And being obsessive, he will bark and carry on because he can't get to the ball until you come and rescue it. Difficult on our old knees. So he ends up getting the smaller balls taken away from him.
The other night he was laying and chewing on this ball. It sounded like he was shredding this ball to pieces. I was afraid he would choke or swallow the rubber pieces, so I took it away from him. There wasn't anything wrong with the ball. It looked brand new. No chew or bite marks that I could see. I was impressed.
It does have a squeaker, but I can barely get it to squeak and I have strong hands. A larger dog with a stronger bite force could probably easily make it squeak.
It claims to have a beef scent to the toy, and maybe that is why he likes the ball so much. But I sniffed it and couldn't smell anything, which is fine by me, it won't have an obnoxious smell to where I don't want it around me.
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Dogs love balls
Color: Orange
Most dogs love to play with balls. This is a ball.
It squeaks and can handle a lot of strong chewing. Quite durable and a good size for medium and up sized dogs. (Honestly even smaller dogs would have fun with this).
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Good quality
Color: Green and Purple
Good quality and last long. Is loud wheen squeeks
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Heavy duty for sure
Color: Purple
Heavy duty toy. This ball has some weight to it! I have a smaller laber doodle that thinks she's a German Shepard so no toy is too big or heavy for her. She's been chewing on this for months but you'd never know it. The squeaker is even hard for me to activate with my hands. She hits it in the right spot every now and again and gets excited about it. Great if your not crazy about hearing a squeaker squeaking non stop!
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Reviewed in the United States on May 10, 2026
★★★★★ 5
All dog sizes can enjoy this ball!
Color: Orange
This is a terrific dog ball! Our Pittie can't tear it apart on day 2 which is unusual! Also, its big enough that he can't swallow it but not so huge that our mini Doodle can't enjoy it too! We have more than one of these to keep our pups busy!
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Reviewed in the United States on June 7, 2026
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