EN
Quick Answer: The Buick Cruze (Chevrolet Cruze in some markets) 1.8L valve cover is one of the highest-volume aftermarket SKUs for GM vehicles globally, with the F18D4 engine produced in millions of units from 2008 through 2017. Use Ranmi RM100011 with OE references 55564395, 55558673, and 50002115 for primary fitment. Demand is strongest in China, Russia, Brazil, Argentina, Mexico, Egypt, and South Africa where Cruze achieved high market share.
Engine Background
The GM Family 1 (F18D4 / Z18XER / Ecotec 1.8) is a 1.8L 4-cylinder DOHC VVT engine that powered:
- Buick Cruze (China market, 2008–2017)
- Chevrolet Cruze (J300 first-gen, 2008–2016 globally)
- Chevrolet Cruze (D2LC second-gen, 2015–present in some markets)
- Opel Astra J (selected variants, 2009–2015)
- Holden Cruze (Australia, 2009–2016)
- Daewoo Lacetti Premiere (Korea, 2008–2010)
OE Number Reference
|
OE Number |
Application |
|
55564395 |
Primary aftermarket reference |
|
55558673 |
Earlier variant (2008–2010) |
|
50002115 |
GM Latin America variant |
Ranmi SKU RM100011 covers all three OE references in a single SKU.
Specifications
|
Attribute |
Value |
|
Material |
Glass-filled nylon (PA6-GF30) |
|
Color |
Black with integrated air separator |
|
Packing |
10 pcs per inner box |
|
Inner box dimensions |
44.5×28×10.5 cm |
|
Carton dimensions |
59.5×46.5×59 cm |
|
Carton gross weight |
24.93 kg |
|
Net weight per piece |
1.65 kg |
Why This SKU Matters
Cruze achieved unusually high global penetration due to GM's strategy of using it as a global compact sedan. By 2025, the global Cruze parc is approximately 6 million vehicles. Replacement demand at the 8–10 year mark drives current aftermarket activity.
Regional demand snapshot:
|
Region |
Annual Cruze Valve Cover Demand |
|
China (Buick branded) |
200,000+ |
|
Russia / CIS |
80,000+ |
|
Latin America (Brazil, Argentina, Mexico) |
100,000+ |
|
Middle East (Egypt, UAE) |
50,000+ |
|
Africa (South Africa, Algeria) |
40,000+ |
|
Australia / NZ |
20,000+ |
Common Failure Pattern
The Cruze 1.8L valve cover is notorious for integrated PCV diaphragm failure. The cover incorporates the PCV system with a small rubber diaphragm that ruptures under heat aging. Failure causes:
- Massive oil consumption (1+ liter per 1,000 km)
- Rough idle
- Lean misfire codes (P0171)
- Oil deposits on throttle body
This failure mode is so prevalent that GM extended warranty coverage in some markets. Aftermarket replacement with a quality cover (Ranmi RM100011) is the standard fix.
Related Cruze SKUs
In addition to the F18D4 1.8L, Ranmi catalog covers other Cruze-related applications:
|
SKU |
Engine |
OE |
Notes |
|
RM100012 |
1.4L Buick Encore |
55573746, 25198874 |
Smaller cover for Encore SUV |
|
RM100063 |
3.0L Buick LaCrosse |
12647772A |
LaCrosse left bank |
|
RM100064 |
3.0L Buick LaCrosse |
12641260A |
LaCrosse right bank |
|
RM100080 |
Various Buick |
25192208, 96469203 |
Multi-fit Buick |
|
RM100202 |
Buick Excelle 1.8L |
92062396 |
Excelle (Lacetti) |
Sourcing Recommendations
For B2B distributors:
- Stock 500–2,000 units of RM100011 based on local Cruze parc density
- Combine with related Buick/Chevrolet SKUs for consolidated container shipping
- Pair with PCV diaphragm gasket kit when available
- Multi-language packaging for export markets (English/Spanish/Russian/Arabic)
FAQ
Q1: Will the Buick Cruze cover fit the Chevrolet Cruze? Yes — same engine (F18D4), same valve cover. Differences are limited to badging on dealer-fit covers; aftermarket covers serve both brands identically.
Q2: Are 1.4L turbo Cruze covers different from 1.8L? Yes. The 1.4L turbo (LUJ/LUV engine) has a different valve cover. Confirm displacement and engine code before sourcing.
Q3: Container loading for Cruze covers? Approximately 1,800 pcs of RM100011 per 20ft container. Mixed with smaller Korean SKUs to optimize container utilization.
