SKU: 71897426211

Voltage Regulator Rectifier For Kawasaki Z 900 Z1 Z 1000 A1 A2 21066-019

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Description

Voltage Regulator Rectifier For Kawasaki Z 900 Z1 Z 1000 A1 A2 21066-019Voltage Regulator Rectifier Fit for Kawasaki KZ900 KZ1000 A1 A2 Z1 R 21066 026 Features: Direct replacement to your original unit. Perfect fit and ready to install. Always use a sealant to mount the cable gland joint. All products shipped are tested. Instruction is NOT included. Specifications: Condition: Aftermarket 100% Brand New Quanity: 1 PC Type: Regulator Rectifier Other specifications: Number of wires: 6 Number of plugs: 1 Number of pins: 4 + 1

Voltage Regulator Rectifier Fit for Kawasaki KZ900 KZ1000 A1 A2 Z1-R - 21066-026

Features:
Direct replacement to your original unit.
Perfect fit and ready to install.
Always use a sealant to mount the cable gland joint.
All products shipped are tested.
Instruction is NOT included.

Specifications:
Condition: Aftermarket 100% Brand New
Quanity: 1 PC
Type: Regulator / Rectifier

Other specifications:
Number of wires: 6
Number of plugs: 1
Number of pins: 4 + 1 + 1

Please comfirm and compare the number of pins and plugs with the old part if the same before purchasing.

Wiring diagrams:
Yellow - Power Coil
Yellow - Power Coil
Yellow - Power Coil
Brown - Ignition Switch
White - Battery +
Black - Ground -

Replacement Part Number:
21066-013
21066-019
21066-026

(Always compare part numbers to your parts schematics and cross reference appropriately.)
(This is NOT a genuine Part, OEM part numbers are included for product type identification and comparison only.)

Fits Make/Model/Year:
Fit for Kawasaki KZ900 1973-1975
Fit for Kawasaki Z1 1973-1975
Fit for Kawasaki KZ900A/C 1976-1977
Fit for Kawasaki KZ1000A1/a2 1977-1978
Fit for Kawasaki KZ1000B LTD 1977-1980
Fit for Kawasaki Z1-R1
Fit for Kawasaki KZ1000G Z1 Classic 1980
Fit for Kawasaki KZ1000J Model 1981-1982
Fit for Kawasaki KZ1000K LTD 1981-1982
Fit for Kawasaki KZ1000M CSR 1981-1982
Fit for Kawasaki KZ1000R Eddie Lawson 1982
Fit for Kawasaki KZ1100A Shaft 1981-1982
Fit for Kawasaki KZ1100B GP 1981
Fit for Kawasaki KZ1100D Spectre 1982
Fit for Kawasaki KZ1300A/B 1979-1982

(Compatibility Chart is for reference ONLY!!!)
(Please Compare with Your faulty unit and the image we provided to Decide Fitment)

Package includes:
1x Regulator Rectifier

Note:
Signs that your regulator needs replacing:
Depending on the location of the regulator rectifier, the part can easily overheat. Other causes for a dead regulator rectifier center on the battery. Ground connections are important for good voltage, and if there is a faulty voltage, the regulator rectifier can run hot. Bad grounding, corroded battery connection and poor or loose battery connections will cause faulty voltage too.

There are generally two ways for the regulator rectifier to fail:
The first deals with diode burnout, resulting in battery drain. It is easy to assume that the issue is a bad battery because of symptoms such as dimming headlights and poor starts. Checking the voltage with a voltmeter versus relying on symptoms alone will prove highly beneficial. If the voltage drops below 13 volts, the motorcycle will begin to drain the battery and eventually the engine will stop. Check for bad connections and corrosion; these can also cause voltage issues.
The other failure type is shunt regulator burnout, where the regulator rectifier fails to control the voltage, resulting in battery overcharge. Again, a voltmeter will be useful for diagnosis. Though generally, readings above 17 volts mean the regulator rectifier is not converting the excess power correctly and all of that excess voltage may cause the headlights to become extremely bright and then blow.

The product on offer is an accessory or spare part and thus is not an original product of the vehicle manufacturer.
The name of the vehicle manufacturer is stated only as an indication of the determination of the product being offered as an accessory or spare part, to clarify, for which vehicle the product on offer fits.

Warranty:
Returns: Customers have the right to apply for a return within 60 days after the receipt of the product
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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 71897426211

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4.5 ★★★★★
Based on 5 reviews
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Verified Purchase
Your Royal Highness
Massapequa, US
★★★★★ 4
Great pillow !
Size: Queen
This pillow met my expectations. Very comfortable with the right amount of firmness. Love the shape as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
R
Verified Purchase
Rosemary S.
Phoenix, US
★★★★★ 5
This is everything you could want in a good pillow for a good sleep
Size: Queen
This is truly the very best pillow on the planet. So really comfortable, doesn't loose its shape and for a good sleep, this is it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
J
Verified Purchase
Julie G. (Ginger Snaps)
Louisville, US
★★★★★ 5
This is Truly the Best Pillow!
Size: Queen
This is the side sleeper version of the best pillow out there. My 26 year old son was always complaining about his pillow and his neck and back hurting. About every year I’d buy him the next “best” pillow promising to be the best but they never worked for him. I read an article saying THIS pillow was the “Goldilocks” of pillows. So since he sleeps in all positions, I got him the regular shaped pillow. The next morning after his first night with the pillow, he came out of his room talking about how wonderful his pillow is. Same thing the next morning. And the next. And the next. Then I thought to myself, my current pillow is the best I’ve had but I’m not in love with it. But I’m a side sleeper so I purchased this particular contoured pillow for me. NOW I UNDERSTOOD WHAT MY SON WAS TALKING ABOUT. I became the person who went on and on about my pillow. Until my husband told me to replace his with one of these side sleeping versions for himself. And he loves it. Then we got a regular pillow (for those who sleep in all positions, but this same company) for our guests. My best friend came to visit, immediately noticed the pillow upgrade from previous visits and when she returned home, she purchased one for herself. This pillow is like a feather pillow except it is filled with tiny squares of memory foam. And it comes with an extra pack of stuffing, so you can add or remove stuffing to customize it perfectly for you. None of us in the house added filling, and my son removed some that came with his pillow. I also sleep with a body pillow and have for years. And I was wishing this came in a body pillow version until I realized I could make my own. I bought a zippered body pillow case. The larger size. I think it was 54 inches long. And I bought a king size pillow and used the extra stuffing pack that came with that pillow along with the 4 packs that came with the other pillows that we didn’t use. Though you could probably do the same thing with two standard size pillows. These pillows are on the expensive side but they go on sale during every holiday. That’s when I purchase them. Oh and my body pillow is HEAVEN. Between that and the pillow, I spend my nights in fluffy cloud goodness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
S
Verified Purchase
Sara
Birmingham, US
★★★★★ 3
Not as great as I was hoping.
Size: Queen
I was hoping this was going to be my miracle pillow. I have had terrible neck pain for years. It arrived with too much stuffing. Removed some and it caused terrible occipital headaches. I’ve slowly been adding stuffing, hoping to find the right fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
C
Verified Purchase
Charlie
Grantham, US
★★★★★ 5
This Pillow Is A Must Buy!! What Are You Waiting For?
Size: Queen (Pack of 1)
This is, without a doubt, the best pillow I have ever owned. One of my favorite features is the adjustable shredded memory foam fill, which allows you to customize the loft and firmness by adding or removing foam to suit your sleeping preferences. As both a side and back sleeper, I found it incredibly comfortable and supportive. The overall quality is excellent, from the materials used in the pillow itself to the thoughtful packaging. The removable cover is washable, although I personally use a pillowcase to keep it protected. I also appreciated that extra foam is included, making it easy to fine-tune the pillow over time. The difference in my sleep quality was noticeable from the very first night. I’ve been sleeping more comfortably and waking up feeling more rested ever since I started using it. Considering the quality, comfort, and customization options, I believe the $75 price point is well worth it. I am so impressed with this pillow that I plan to purchase another one in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026

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