SKU: 79006602956

1622 1959-1968 Pontiac 8-bolt water pump

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Description

1622 1959-1968 Pontiac 8-bolt water pumpFlowkooler high flow pump #1622 for Pontiacs with the 8 bolt pattern has significant design improvements to achieve higher flow rates for improved cooling. Taller vanes bring the shrouding closer to the mating plate surface and additional precision machined vanes with a thinner wall provided a greater volume to the impeller's eye. The incremental vanes are balanced and carve up the workload to conserve horsepower all while achieving greater flow

Flowkooler high flow pump #1622 for Pontiacs with the 8 bolt pattern has significant design improvements to achieve higher flow rates for improved cooling.  Taller vanes bring the shrouding closer to the mating plate surface and additional precision machined vanes with a thinner wall provided a greater volume to the impeller's eye.  The incremental vanes are balanced and carve up the workload to conserve horsepower all while achieving greater flow rates, higher head pressure and a more efficient flow. The impeller's color is due to Type II Class II military grade surface coating which protects against corrosive fluids. 

FlowKooler introduced the first hi flow pumps and continues to improve impeller design. Why is increased flow so important to cooling a hot Pontiac engine? Because it has been proven time and time again that reducing the cycle time between the heat source and the heat sink creates more opportunities to shed heat and drop engine temperatures.

A Note on plates and gaskets: 

The 8 bolt water pump used prior to 1968 has two steel plates in the timing cover behind the water pump. The center hole draws the fluid in and the plates route the flow to the left and right side of the engine.

1968 used a single divider plate and also had two additional rubber gaskets/rings that slide into the holes and assist in sealing and aligning the divider plate.   Absent rubber gaskets the two divider plates may float inside the timing cover and some people have report a "rattle" sound.  A work around proposed online suggests using a "dab" of RTV" to mitigate sound.

From 0-3,300 RPM…Nothing Beats a FlowKooler!

General Specifications:
Type of Material of Pump Body Cast Iron
Number of Blades on Impeller 16
Direction of Rotation CW
Fan Hub Height 3 5/8"
Shaft Diameter 5/8"
Other Special Features:
  • CNC machined billet aluminum impeller with 16 vanes
  • Impeller protected with a military grade Type II anodized surface coating
  • 8 bolt mounting pattern consistent with ‘64-‘65 casting 9772716 and ‘66-‘68 casting 4782482 that used the 2" tall pulley
  • Divider plates shown for illustration and are not included.  
  • Alternative Part Number 12307792, 9772372, 9772716, 9777913, 977913, 9782482, 9784281, 9788609, 9793130, 5511137, 58299, 511515, 251137, 252576, AW850, CWP831, 10673, 10675, 673, 675, 140905, B485, P485, P904, 90814, 50485, 2281622, 18347, ELGWP850, 87674102650, FP1388N, 1302850, 43122, 311030, HYT11030C, P904, 16280, 43122, 614943, 3381, 2615, PC346, WP485, FP1388N, T4062, US850, WH3010
Parts Contained in Box:
A Mounting Gasket, Installation Sheet, FlowKooler Decal
Make Model Year Block CID Liters
PONTIAC ACADIAN 71-69 V8 350 5.7L
PONTIAC BONNEVILLE 66-59 V8 389 6.4L
PONTIAC BONNEVILLE 68-63 V8 400 6.6L
PONTIAC BONNEVILLE 68-67 V8 428 7.0L
PONTIAC CATALINA 60-59 All  All  All
PONTIAC CATALINA 65-63 V8 389 6.4L
PONTIAC CATALINA 68-62 V8 400 6.6L
PONTIAC CATALINA 1967 V8 428 7.0L
PONTIAC EXECUTIVE 68-67 V8 400 6.6L
PONTIAC EXECUTIVE 68-67 V8 428 7.0L
PONTIAC FIREBIRD 1967 L6 231 3.8L
PONTIAC FIREBIRD 1967 V8 326 5.3L
PONTIAC FIREBIRD 68-67 V8 350 5.7L
PONTIAC GRAND PRIX 1962 All    
PONTIAC GRAND PRIX 66-63 V8 389 6.4L
PONTIAC GRAND PRIX 68-63 V8 400 6.6L
PONTIAC GRAND PRIX 68-67 V8 428 7.0L
PONTIAC GTO 1966 All    
PONTIAC GTO 65-64 V8 326 5.3L
PONTIAC GTO 65-64 V8 389 6.4L
PONTIAC GTO 68-65 V8 400 6.6L
PONTIAC LEMANS 1963 L4 195 3.2L
PONTIAC LEMANS 67-64 V8 326 5.3L
PONTIAC LEMANS 1968 V8 350 5.7L
PONTIAC LEMANS 66-63 V8 389 6.4L
PONTIAC LEMANS 1968 V8 400 6.6L
PONTIAC SAFARI 62-61 All  All  All
PONTIAC SAFARI 1964 V8 389 6.4L
PONTIAC SAFARI 1968 V8 350 5.7L
PONTIAC SAFARI 68-64 V8 400 6.6L
PONTIAC STAR CHIEF 1962 L6 265 4.3L
PONTIAC STAR CHIEF 66-59 V8 389 6.4L
PONTIAC STAR CHIEF 66-63 V8 400 6.6L
PONTIAC STAR CHIEF 65-63 V8 421 6.9L
PONTIAC TEMPEST 63-61 L4 195 3.2L
PONTIAC TEMPEST 66-65 V8 326 5.3L
PONTIAC TEMPEST 1968 V8 350 5.7L
PONTIAC TEMPEST 64-63 V8 389 6.4L
PONTIAC TEMPEST 1969 V8 428 7.0L
PONTIAC VENTURA 1961 V8 389 6.4L

 

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 79006602956

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4.5 ★★★★★
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Susan Cedar
Port Orchard, US
★★★★★ 4
My dog loves glowing fetch at night!
Style: Glow Balls (Pack of 3), Size: 2.5 inch
Fantastic. Sturdy. My dog loves them Glow in the dark is great for fetch at night. I keep a flashlight with me because the glow doesn't last really long. But they charge very quickly and are really bright.
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Reviewed in the United States on February 22, 2026
M
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Maddox
Chelsea, US
★★★★★ 5
Indestructible
Style: Fetch Balls (Pack of 2), Size: 3 inch
These balls are indestructible! We have a lab and a lab mix and they CANNOT damage these balls. They love them for fetch and to just chew on them (slightly squishy, but NO damage). Best toys we have bought for them.
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Reviewed in the United States on April 19, 2026
A
Verified Purchase
Animal Lover
Belleville, US
★★★★★ 5
Great trial set. Just be careful throwing the orange one!
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Blue isn't that easy to see in the yard White charges with bright light/UV and is truly a game changer for night-time fetch. Both dogs clearly favor it. Orange is easy to see in the grass at day They're 3 different weights as well, so double trial. I prefer medium for my big dogs, though light performs well too The orange is HEAVY and unyielding. Do NOT throw it with a ball thrower. It could damage your house or knock your dog out. Seems tough though.
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Reviewed in the United States on January 16, 2026
S
Verified Purchase
Spo509
New York, US
★★★★★ 3
Not as good as chuck it anymore
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
I have bought these before and the where just like the chuck it balls. These are not those balls. The are lighter and my dog has already cause damage to one
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Reviewed in the United States on March 16, 2026
C
Verified Purchase
Careful 'n Selective
Lexington, US
★★★★★ 5
A Totally Unique and Lasting Ball Toy Which Captures My Older and Previously Lethargic Dog’s Attention
Size: 3.5"
At about the time of my dog’s 8th birthday, I felt discouraged when I noticed a change in his playing habits and he seemed bored with most of his former favorite playthings. At a younger age, he played for hours until he exhausted himself, and then after a deep and lengthy nap he would resume playing with his toys. His indoor playing time had decreased even though he was in perfect health. He does not have any arthritis, and he does not have any aches or pain, he was just mostly bored with his toys and after about 10 minutes of playing, he would walk away, stretch out and lie down. He seemed to have lost his interest in chasing after a ball, and I was getting desperate to find something new and completely different to end his daily lethargic existence. These Gnawsome squeak and light balls have re-captured his interest as something completely different that he had never experienced with any of his other toys. Currently, he has several of these squeak and light balls and in two sizes, the medium 3.5” and the larger 4.5”. There are a variety of colors with different color flashing lights. Both the medium and the extra-large size are suitable for larger breed dogs like my Old English sheepdog. The large dimension guarantees safety that he will not accidentally swallow and choke, because they are too big to slide down his throat. What makes this squeak ball unique is the addition of a flashing light, as this is something different that he had never experienced with any of his toys. As he mouths the ball, a light inside the ball starts to flash with color. When he sees the flickering light he then drops the ball and he stares and watches and perks up his ears. When the flickering light stops he bats the ball around, grabs it in his mouth and tries to squeak and flash the light again. It’s obvious that the flashing light fascinates him and he enjoys the squeak sound as he mouths this ball. In addition, the soft flexible rubber spikes must feel good against his gums. In the mornings as I struggle to wake-up and grab a cup of coffee, he is right there nudging my leg with his ball. He drops it at my feet, and starts running down our long hallway in anticipation of the throw and catch game. At night, it’s even better, I’ll turn off the lights and he can easily see the ball to catch it, and the ball lights flicker as it bounces against our hard tile floor. I started his Gnawsome Squeak and Light Ball collection almost a year ago with both the large and the medium ball sizes. He has two Reds, two Greens, and one Blue scattered around our home because he carries and plays with them from room to room. Each color ball has a different color light. The Red ones light up red, the Green ones flash a green light, and his Blue one flickers with both a red and a blue light. The only color that we don’t have is the yellow, but I’m still hoping to get that color too. I am impressed that they have all retained both the squeak and their flashing/flickering lights. These balls are lightweight so they really go a distance when thrown, and the color NEVER comes off on our white woodwork. This is one of the best dog toys that I have discovered, they are unique, durable and the squeak and flickering lights last through his mouthing, and normal playing habits. My dog loves them and they are his very favorite toys. In addition, and these light strobe balls may even work for a dog whose hearing has declined, because instead of hearing a ‘bounce’, the dog could just follow and chase the flashing light.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 21, 2017

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