Last week I went to thoker Niaz Baig for service of my corolla 1.6 2016 for for 80,000 service. They gave me same quote of 42,000. (Just for parts).Then I went to Garden Town, and they gave the same quote too.
Then I came to Pakwheels to find where to get original parts but not as expensive as dealers are selling. As I bought this car in March, and did not had any automatic corolla before , so I did not know where to take this car and what oils I need to put in this car.( I do have the manual but did not read, to lazy)
Today 13-June-2020 I went to montgomery road and found there are 2 dealers who will sell you original products. One was Nasir, and other one was Iqbal. I went to both discussed that I only want original and they guaranteed.
So this was my shopping list from Iqbal autos. I am not sure If I am suppose to tell you the names of shops and parts on this forum. But I hope it might help someone.
Front and back disck pads: Rs: 14500
Toyota ATF WS: 5500
Toyota Taglon 5w-30: 3500
Oil filter: 750
Air Filter: 1350
I asked this guy that is there any good workshop that would go this work on car, then he suggested on workshop opposite of Western Union. That guy charged me 1500 for all the things.
TOTAL: 27,100
Then I went to get a good android screen for car that costed me another 13,500 
So its around 40K and I got a screen too.
I am not expert, But all these parts seems original. As people here said the original disc pads have green paint outside, and filter is some Yzz06 something.
So I would also suggest you to go there and get original products and get them done from some good workshop.
I would also like to thank MR @haseeb.basharat for guiding me to get the 5w-30 oil. Since I had no clue what to put in this car. Also today the guy in iqbal autos said I should add 10w-30 as my car is now 80K driven. But I went with Mr Hasseb suggestion and bought 5w-30. As I think this is not 2000, engines and technologies have changed, so thick and thin oil discussions were in past.
Good luck with your car maintenance.
