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[Datsun 1200 encyclopedia]

Oil cap

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Category: Engine Lubrication System

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= Original = = Original =
-The original 1200 cap Part Number is Nissan 15255-15953. However if you order this part number you are likely to get one of the superseded styles.+The original 1200 cap Part Number is Nissan 15255-15953. However if you order this part number you are likely to get one of the superseded styles instead of the plain silver version.
{{Album|15092}} {{Album|15092}}
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<br>{{Album|8125}} {{AlbumH|14133|jpg|259}} <br>{{Album|8125}} {{AlbumH|14133|jpg|259}}
- B110 + 1200 from intro to 1978 March (Japan) or to circa 1973 (USA)
- [[Head_Part_Numbers|15255-B3430]] CAP-OIL FILLER > 15255-15953 $12.12 + * superseded by [[#B34]] 'NISSAN MOTOR OIL' cap
- 15255-15953 CAP-OIL FILLER+ [[Head_Part_Numbers|15255-15953]] CAP-OIL FILLER
- 15270-B3400 PACKING-OIL FILLER CAP <> 15270-11200 $1.40 +
15270-11200 PACKING-OIL FILLER CAP 15270-11200 PACKING-OIL FILLER CAP

Revision as of 01:50, 2 June 2019

The stock Datsun 1200 Rocker cover uses a push-and-twist oil cap. It is a classic all-chrome cap and seals with a simple round gasket. Some other Datsuns use a threaded cap that will not work in a 1200. By the way, this is where you add oil to the engine.

Contents

Overview

All A-series engine rocker covers uses a cam-twist (push-and-turn) oil filler cap.

Datsun 1000 vented cap
Datsun 1200 sealed cap
  • All A-series engines from 1970-on use a sealed cap including all A12/A13/A14 and A15
  • Other Datsun engine types use a threaded cap that will not work in a 1200
  • Alloy rocker covers invariably use a different type of oil cap

25532.jpgAlbum 25532

Original

The original 1200 cap Part Number is Nissan 15255-15953. However if you order this part number you are likely to get one of the superseded styles instead of the plain silver version.

15092.jpgAlbum 15092
1204.jpgAlbum 1204

The timeless style of the original B110 cap looks good with customized engines
8125.jpgAlbum 8125 14133.jpgAlbum 14133

1200 from intro to 1978 March (Japan) or to circa 1973 (USA)
* superseded by #B34 'NISSAN MOTOR OIL' cap
15255-15953 CAP-OIL FILLER
15270-11200 PACKING-OIL FILLER CAP
2-3/4" Oil Filler Cap (1-13/32" x 1-19/64" Cam Twist) RockAuto.com
15255-B3430 Cap-oil Filler $12.35 
* replaced 15255-15953 CAP-oil
* NOT BECK/ARNLEY Part # 0160048 screw-in cap (fits L-series)
* STANT Part # 10102 
* GATES Part # 31088 
31088.jpg

Aluminum Version

Machined aluminum version of original 1200 style oil cap

Buy at Bprojects: Billet Oil Filler Cap

25534.jpgAlbum 25534 25535.jpgAlbum 25535 20469.jpgAlbum 20469

May be finished with Elephant applique from Bprojects
13080.jpgAlbum 13080 12859.jpgAlbum 12859

Or a Nissan applique
12988.jpgAlbum 12988 12989.jpgAlbum 12989

Color Cap varieties from Bprojects
20471.jpgAlbum 20471 20470.jpgAlbum 20470

Datsun 1000

The earliest A-series engine, the B10 Datsun 1000 A10 engine, uses a vented oil cap, so it doesn't work with the 1200 (Datsun 1200 caps are sealed). Vented cap is also known as a "blowby cap" because fumes will come out of it -- visibly so when the engine is worn. 1200 uses a sealed cap for happy motoring.
15099.jpgAlbum 15099

USED BY
* R16 engine (Datsun Roadster)
* J13 engine (Bluebird 411, Datsun Trucks 521, 620)
* H engine (Datsun Roadster?)

Datsun 1000 used one of three varieties of oil cap

* plain blue
* plain blue with Nissan text overlay applied
* Elephant cap

The regular 1000 oil cap is plain blue with a little arrow sticker.
174_5ba6f07d12724.jpgPost 489511 174_5ba6f06f28581.jpgPost 489511 174_5ba6f06551b23.jpgPost 489511 174_5ba6f075a3d87.jpgPost 489511 174_5ba6f084c3fa6.jpgPost 489511

Datsun B10 Elephant Cap was used in some markets. Apparently the elephant oil cap is a JDM OPTION cap

15255-10651 CAP-oil filler (op.) ALL

174_5ba6f17d08d7f.jpgPost 489511 174_5ba6f184c304a.jpgPost 489511

174_5ba6f15f5cc45.jpgPost 489511 174_5ba6f16977a8c.jpgPost 489511 174_5ba6f172103f4.jpgPost 489511

Subtle difference between original and repro caps. The cap on the right has no arrow:
174_5ba6f18d71c34.jpgPost 489511

The following is reportedly from 1000 coupe brochure, but looks very much like an A12. Did they make an updated A10, or is this a prototype Elephant Oil cap for an A12?
6547.jpgAlbum 6547 12872.jpgAlbum 12872

Nissan

Later Nissan replacement caps differ stylistically from the original but work on all 1200 engines.
20649.jpgAlbum 20649

B34

At some point during the B110 era they updated the cap by putting writing on it. Possibly 1973?

Nissan 15255-B3430
16410.jpgAlbum 16410 16411.jpgAlbum 16411

ニッサン モーター オイルを (For Nissan Motor Oil)
NISSAN
MOTOR OIL
注入して下さい (Fill Occasionally)

24442.jpgAlbum 24442 24443.jpgAlbum 24443 b82600578power_planning-img600x4-1.jpg b82600578power_planning-img600x4-2.jpg b82600578power_planning-img600x450-.jpg

1980s

1980s Nissan stamped-steel cap
25773.jpgAlbum 25773 12966.jpgAlbum 12966

1990s

The 80s cap was eventually replaced with a stylish sculpted version
15091.jpgAlbum 15091
15694.jpgAlbum 15694

G82

I bought a brand new oil cap last year from Nissan Parts Business (Japan) for about $15 USD. It was the gold finish kind. The original plain silver type has been replaced by the gold type.

15255-G8250 - latest version drops the text in favor of an international oil symbol
15090.jpgAlbum 15090 16713.jpgAlbum 16713 

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