I have had good experience with Precision Hose Tech. -- 800-331-5946 (
www.aircrafthose.com) -- and they will make a full set of hyd hoses for your aircraft either based on the make, model and S/N, or if you give them the Cessna P/N at a small fraction of the Cessna price. Here is the message exchange I had with them on hyd hoses; I'm including it because you will see the price (2 years ago) and the P/Ns, which should apply to your 76 P337G (but check, don't rely on me):
From me to PHT
To:
sales@aircrafthose.com
Subject: Landing Gear Hoses
I've bought before from Mike for my old Skymaster N86377. Would like you to quote a full set of landing gear hoses for my 1973 Skymaster 337G S/N 01501. I understand that you do not have a kit specification, so the part numbers are shown below (qty is 1 unless otherwise indicated). Incidentally, to help you with future sales, the parts catalog indicates that these hoses fit all Skymasters (including pressurized and turbos) from 1973 to 1980, covering S/Ns 014634 to 01922.
1580013-3
1580013-4
S1236-3-0092
S1236-3-0140
S1236-4-0074 qty 2
S1236C4-0100 qty 2
S1236C4-0120 qty 2
S2178-4-0120A
S2178-4-0134A qty 2
S2178-4-0140A qty 3
If you manufacture several different types of hoses for this application (as opposed to a single product type), please quote on your recommended product plus the one closest to standard Cessna quality.
_______________________________________________
From PHT to me: Thanks for the request. Sorry for the delay. The standard kit which you gave me will be 537.85. We can also build these in teflon hose which has the stainless braid with stainless nuts. The price for teflon will be 511.81. Delivery is 1 to 2 days.
Thank You
Ashley Wilson
918-835-3660