B310 rear bumper
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Sunny B310 (1977-1982) came with several different style of bumpers
Overview
Small bumpers (one piece lightweight)
Large bumpers (rugged safety bumpers)
Large Bumper OPTION
Large Bumpers * Australia OPTION (no reverse lamps) * Japan Wagon (reverse lamps in bumper) * Japan OPTION for Sedan, Coupe (same as North America) * North America all (reverse lamps in tailgate or combo lamp)
Small Bumpers * Coupe, Sedan early type with number plate cutout * Coupe, Sedan late type without cutout * VB310 Van/wagon without number plate cutout * GL, GX have rubber ends, others are plain chrome
Small Bumpers
The 'one-piece' bumpers are all-chrome units. The fancier trims have rubber end-covers bolted over the metal.
Early Small Bumpers
Early type locates the number plate below the bumper. Early cars also have round headlights.
Number plate cutout * Wide for Australia, Holland, UK, etc. * Narrow for Japan, Malaysia, etc.
- H85 DX plain Sedan & Coupe. Also sedan Semi-DX
- H89 GL/GX with rubber end-covers. Also longer brackets with a sight-shield to fill the gap between body & bumper
H85 Early DX style - all metal
H89 Early GL style - all metal. Differs by having 4 more holes in order to bolt on the rubber end-covers
sedan:
Coupe:
Europe:
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/k116127160zepcore-img450x600-1254468536dg396i75934.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/k116127160zepcore-img600x450-1254468536przuxb75934.jpg
Late Small Bumpers
Late type locates the number plate above the bumper. Late cars are identified by square headlights (except Japan vans).
DX all-metal bumper (same as or similar to 85022-H9400 JDM Van) GL Rubber-end bumper * with lamps for license number plate * without lamps for number plate
Late DX type - all metal
Late SGL type: rubber strip across bumper
Late GL - number plate LIGHTS above bumper
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/B310_1981-6_b.jpg 
Late GL - number plate light IN bumper
Late DX
Sedan & Coupe
Late coupe (no cutout for licence plate}}. This version has the plate lights on the top edge of the bumper.
VB310
VB310 Van bumper has no cutout for number plate.
Small Bumper 85022-H9400
Van VS Sedan
small bumpers * H94 Van * H85 late Non-van
Japan Small Bumpers
TRIM all metal ES,CT,DX + Van rubber ends GL,GX,RSE
NUMBER PLATE CUTOUT Van no number plate cutout Sedan, Coupe narrow plate number cutout (Round Eye) Sedan, Coupe no number plate cutout (Square Eye)
Van 85022-H9400 Van
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/takuremi_sunny-img600x450-1305646211ad5ep657101.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/saniwo2000-img600x450-1315720122jlgukf2137.jpg
Round Eye All metal 85022-H8500 DX,CT
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/f74268333akasrl311-img600x450-1227531832kwtsss12529.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/m51627383hirakka-img600x450-1198906974dsc02065.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/maina6000-img600x450-12826213856kp8xu36766.jpg
Round Eye Rubber-ended 85022-H8900 GL,GX & 85022-H8901 GL,GX
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/n63206471banbanbo2000-img600x450-1220170643ujekv549859.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/k41994716youichi11221104-img600x450-1180671834dscn0488.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/g64564908chk38750-img600x450-1219999197mxzcsk73736.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/ysmat2008-img600x450-1291176224zdkh8y39211.jpg
Square Eye 85022-H8565 ES,CT,DX
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/f63591457funa710-img480x360-11998834562.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/f66158356daddys_s-img600x450-1220672992vreeee74748.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/k39548264arixcoltd-img600x450-1173438938p1060194.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/m73111669sakuranbon_bon-img600x450-1263129715ken05y53619.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/k108869318marutyosyouten-img600x450-12353643854spzrb27207.jpg
Square Eye 85022-H8560/85022-H8561 GL,GX - rubber strip at top
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/f69854632goos5555-img600x450-1229835883pg2lpz13282.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/m49651272blacknight820002000-img600x450-1204209645dsc07199.jpg
Square Eye A14 OPTION - side-lit number plate
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/minorimn-img600x400-1277726772ktkstn76588.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/r51797668ts_sunny310-img600x338-1234083902ky8yuo57225.jpg
Non-stock: Round-eye bumper (with plate notch) on Square-eye sedan (plate above bumper)
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/0500576A30160128W00109.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/0500576A30160128W00108.jpg
Luxe Bumpers
For 1980 the the GL/GX bumper was rationalized to use less expensive parts. Instead of using the all-metal bumper and adding rubber finishers to it, it changed to a shorter bumper bar with rubber end extensions.
GL
This used specimen has a center sticker "ひろびろサニー" Spacious Sunny
End finishers
This bumper has a sticker on the right "サニー宮城" (Sunny Miyagi)
SGL
Late SGL had a fat rubber overrider along the top half of the bumper bar
end caps are bolted on to the lightweight bar
SGL end caps are extra long
SGL rubber end caps have three sections, divided by two horizontal lines
End Caps
The one-piece bumper is fitted with rubber end caps on GL & GX B310s.
Rear Bumper end finishers (late bumper from October 1979)
85030-H8560 BUMPER-REAR RH 7910- 85031-H8560 BUMPER-REAR LH 7910-
The small (one-piece) bumper is differentiated by the shape of the end caps
The large bumper (three-piece) bumper:
- front: diagonal-cut end caps
- rear: end caps with two horizontal lines
Stays
Rear bumper stay 85210-H8805 for which bumper?
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/85210-H8805.jpg
ステー，リヤ バンパー 85212 STAY-REAR BUMPER RH 85213 STAY-REAR BUMPER LH 85201-H9401 Van 85211-H8500 K.DX -7909 S.CT,DX -7811 S.DX,DT,CITYDX 7812-8010 85211-H8501 K.ES 8011- S.CT,DX 8011- 85211-H8900 K.GL,GX# -7909 K.GS,GX,RSE 7910- S.GL,GX# -7909 S.GL#,GX 7910- 85211-H9310 W
H89
Luxe type (GL/GX/GS/RSE). These long stays space the bumper out from the body. The bumper then needs a sight shield which bolts to the stay. Used with the one-piece H89 bumper (early years) and then with the shorter H856 bumper bar (later years).
With H89 stainless bumper (early Luxe)
85211-H8900 STAY-REAR BUMPER LH 85212-H8900 STAY-REAR BUMPER RH
With H8561 bumper (late Luxe)
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/85211-H8900_a.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/85211-H8900_b.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/85211-H8900_c.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/85211-H8900_d.jpg
Large Bumper
Large Bumper OPTION — safety bumpers meeting 5mph crash standard
Large bumpers use a channel-shaped stamping. The ends are all plastic (there is no metal underneath the plastic)
- Large bumpers have no cutout for number plate
- No number plate lamps in bumper, but use a side-lit plate
- No reverse lamps in bumper (except JDM California wagon)
Australia | Malaysia
Shock-absorber mounts
Japan Large Rear Bumper
#WB310 with reverse lamps * 85022-H9800 Wagon round-eye 7901-7909 (no overriders) * 85022-H9905 Wagon square-eye 7910- (strip overrider)
JDM OPTION for Sedan, Coupe (shock absorbed park-bench type) * Same as USA spec bumpers * 85022-H9100 Round Eye (late) 7812-7909 * 85022-H9900 Square Eye 7910-
WB310
WB310 Wagon has large park-bench style bumper
- reverse lamps in bumper for Japan
- reverse lamps in tailgate for other markets
AUS | Japan
JDM #WB310 with reverse lamps * 85022-H9800 Wagon round-eye 7901-7909 (no overriders) * 85022-H9905 Wagon square-eye 7910- (strip overrider)
JDM Wagon round-eye 85022-H9800 7901-7909 no overriders
JDM Wagon square-eye 85022-H9905 7910- strip overrider
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/e86542521carogon_6666-img600x450-12261215557ne6i221743.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/d93944329ssyoshi17-img600x450-1238852534yv4alm33363.jpg
North America
North America used same bumper for all models (Sedan, Wagon, Coupe same). It is a large 5 mph crash-resistant shock-absorbing type. Just like the Japan OPTION bumper, except there are no reverse lamps in the North American bumper.
Round Headlamp cars use rubber overriders Square Headlamp cars use rubber strip
Round Headlight -1179 62050-H9100 OVER RIDER-BUMPER 85022-H9100 BUMPER CENTER-REAR -0779 85022-H9901 BUMPER CENTER-REAR 0879-1179 <> 85022-H9100 Square Headlight 1279- 85060-H9900 RUBBER STRIP ASSY-FRONT 85022-H9900 BUMPER CENTER-REAR 85022-H9930 BUMPER CENTER-REAR <> 85022-H9900
Round Headlight (two overiders) Bumper is same as JDM OPTION
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/B310R/Datsun-B210-9.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/B310R/Datsun-B210-10.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/B310R/Datsun-B210-11.jpg 
Square Headlamp (strip overrider) same as JDM OPTION
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%20Misc/B310/Ads/B3101980ToughEnough.jpg
Rear bumper removal shows the shock absorbers
85022-H9930
JAPAN option safety bumper
Fiberglass
Main: B310 fiberglass bumpers
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