Aisin seems to be the most highly recommended brand amongst members on this site.

 

Aisin TKT-021 kit........cant go wrong.....OEM parts here in this kit......high quality.....do not get China knock-offs which are cheaper....

Aisin is what is on your vehicle when it rolled off the factory floor......buy this kit.....

 

Aisin Kit is superior. I did my own 2002 Tundra 4.7L and used the Aisin Kit. I remember some reviewers complaining about the Water Pump Leaking maybe because of bad install? Mine has about 10k miles and so far so good.

Separately, Gates makes a nice Heavy Duty Accessory Belt (Green) that is top notch. Its about twice the weight of the standard duty and very stout. Highly recommend. Maybe replace the Alternator while in there while its open and easy to swap out.

 

Another vote for the Aisin TKT-021 kit.

Once upon a time, I received a defective water pump and got to do the job twice, but that was due to Amazon dropping the box and denting the rear outlet on the pump - check your parts carefully before installing!

 

Thanks for the comments. I’m going to link to an interesting video that explains my concern further; having to do with poor quality parts and cheap knockoffs. It is video 2 of 2. Video 1 is also insightful. Would love to get thoughts.
Also, if anyone can explain if Aisin parts are truly OEM?

 

Also, if anyone can explain if Aisin parts are truly OEM?

If you don't believe, go buy the pump from Toyota and you'll see the Aisin brand on it. Others have done this already and reported back. Also tons of people that pulled the original one off the truck have noticed the same thing.

 

Toyota uses Denso, Hitachi, Aisin, and Wells parts. Has for years. No way to know if you get a knock off without actually buying from Toyota Parts which comes with the sometimes 3x markup. On my 2002 Tundra, I’ve sourced all those companies names above without a problem starting back about 4 years ago when she was restored back to Glory.

I’ve bought directly through their stores on the Big A website. I’d be wary if the store was named Sciittolo or Hhammzz or one of those other weird stores.

 

My New Fan Pulley Bracket was an Aisin (ordered separate from WP kit) and the big complaint was the poor casting on the reviews. I ordered via Aisin Store and sure enough the casting had a few rough spots on the outer shell. Where it mattered everything was right on. Looked and felt OEM like the old worn out one that chirped on cold morning starts.

I replaced the Aisin Fan Coupling as well which attaches to the Bracket. That looked identical.

Go ahead and get a New Denso Radiator from the Dealer which is the cheapest ironically. Get the ‘replacement’ one which is about $150 vs. $350 one that is the same one but a different part #. Use your local Toyota Parts Programme Online Store and have it delivered to your stealership for no charge pick up.

 

My entire lower crankcase cover below the cast iron block, my entire transmission bell housing, my water pump, my oil pump is all AISIN....maybe even the alum heads are Aisin. Stop worrying about Aisin quality...it is solid......Toyota uses them as OEM parts......Toyota has ownership in Aisin....

 

Ok, where are you all purchasing your Aisin TB and WP kits from. I know Toyota is charging over $600. Is Amazon my best bet?

 

I've always got it from amazon - direct from the Aisin Store, but Summit and Rockauto have it cheaper at the moment.

 

There is a website called.....Amazon....search for Aisin TKT-021 kit..about $200 on up for kit....

Don't buy the Chinese knock off of this kit....which will be much cheaper......

Don't short yourself on quality.......don't be cheap....

get AISIN

 

Rock Auto has Asin Kits for the 4.7 for $150... Chap
2006 TOYOTA SEQUOIA 4.7L V8 Timing Belt, Water Pump & Component Kit | RockAuto

 

Make that under $180 with tensioner. Chap

 

Get the kit with tensioner......TKT-021

 

I just recently bought a kit that includes timing belt and all the accessories and water pump for 80 dollars and it came in quick in 2 days free shipping I can pass you the link if you’d like it’s great quality!

 

Sure, please
Thank

 

What is great is that we can gather all the information and experiences of others then choose which way WE want to go... God Bless America... Chap

 

Yeah, thats the great thing about America. Another beautiful concept is learning from other peoples mistakes.

 

Go with the Aisin kit. I had done a gates kit on my tundra a few years ago and had coolant leaks. Put on an Aisin kit and no further issues.

 

My $.02 if you don’t go to dealer make you are getting genuine parts. Whatever brand you chose. During Covid my buddy (parts manager at local dealer) couldn’t get parts very quickly I decided to buy “genuine” on line so I could do water pump timing belt on weekend. I felt something wasn’t right but markings were very very close. Did timing belt tensioners pulleys and pump just because it was time not because of leaks or anything else. Water pump seal started leaking less than 18 months later during freezing winter storm . I had been waiting for a nice week end to re do the entire thing but before I could pump let go and radiator blew. Wobble bearing caused belt to tear but did not rip. I wasn’t getting cheaper parts I thought I bought genuine. Just know the source.

 

Wow sarge that stinks. Everything we do on vehicles nowadays is subject to biting us in the butt. Knowing this doesn't make it any more comfortable but cuts down on the surprise factor. Sorry about your plight. I read somewhere where the writer said "in everything give thanks." Now that is one I am still working on. Chap

 

Use the Aisin one. It's what Toyota put in there. I did mine 2017 and it is great. There are youtube videos that show exactly how to do it. A1 Auto, I think is the one I used. Here is the kit AISIN TKT021 from Rock Auto for your 2005 Sequoia. Click on Timing Belt, Water Pump and components kit. Then AISIN TKT021.

2005 TOYOTA SEQUOIA 4.7L V8 Timing Belt, Water Pump & Component Kit | Shop Now at RockAuto

Engine Parts and More for Your 2005 TOYOTA SEQUOIA at Reliably Low Prices. Fast Online Catalog. DIY-Easy. Your Choice of Quality. Full Manufacturer Warranty.

www.rockauto.com

 

I went with Aisin from RockAuto. I think they are big enough that they wouldn't knowingly sell knock off parts. Their prices are good. Shipping is a bit confusing as they have multiple warehouses so if you're ordering other stuff, sometimes it's better to buy a slightly more expensive part because it'll ship from the same warehouse. RockAuto has the Denso radiator too if you're needing one for a good price.

 

Rock Auto sells the real stuff. If you get a Denso rebuild alternator, you will get a brand new Denso one that Denso rebuilt and you can't tell the difference from a new one. It is a new one, since Denso did it and has all new parts and new box. Same with Aisin. It is the real stuff. I got my Aisin timing belt from them and it was just that..Aisin.

 

I agree on the Aisin kit. My '05 Tundra was on the ORIGINAL timing belt at 216K, and it was cracking and time to be replaced. Aisin makes a quality kit. Make sure you do the water pump, gaskets, and tensioners as well. You'll have to drain the radiator. Good time for a drain and fill or flush and fill.

 

When I did mine, I removed the radiator. More room to work. 1A Auto 3 part You Tube Videos a must see if you plan on doing the job yourself. Chap

 

I've used two Aisin kits, one on an 04 and the other on an 06. I'm about to buy a third for my daughter's 05. No problems whatsoever with parts or leaks.
Make sure you run the camshaft poistion sensor behind the vertical metal tube,otherwise the serpentine belt will cut through the wires. Ask me how I know!!!